./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:55:18,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:18,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:55:18,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:18,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:18,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:18,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:18,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:18,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:18,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:18,743 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:18,744 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:18,745 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:18,745 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:18,746 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:18,746 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:18,747 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:18,747 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:18,748 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:18,749 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:18,749 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:18,750 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:18,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:18,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:18,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:18,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:18,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:18,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:18,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:18,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:18,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:18,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:18,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:18,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:18,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:18,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:18,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:18,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:18,759 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:18,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:18,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:18,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:18,761 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:18,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:18,761 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2023-11-24 23:55:19,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:19,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:19,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:19,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:19,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:19,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-24 23:55:22,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:23,250 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:23,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-24 23:55:23,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/data/8f4343696/214c3d0ea0ad4d48a87180f2ba0e596c/FLAG8df210893 [2023-11-24 23:55:23,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/data/8f4343696/214c3d0ea0ad4d48a87180f2ba0e596c [2023-11-24 23:55:23,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:23,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:23,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:23,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:23,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:23,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:23" (1/1) ... [2023-11-24 23:55:23,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3ff360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:23, skipping insertion in model container [2023-11-24 23:55:23,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:23" (1/1) ... [2023-11-24 23:55:23,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:28,582 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-24 23:55:28,590 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-24 23:55:28,591 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-24 23:55:28,600 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-24 23:55:28,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:28,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:28,892 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] [2023-11-24 23:55:28,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2023-11-24 23:55:28,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2023-11-24 23:55:28,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2023-11-24 23:55:28,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2023-11-24 23:55:28,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2023-11-24 23:55:28,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2023-11-24 23:55:28,898 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] [2023-11-24 23:55:28,898 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] [2023-11-24 23:55:28,899 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] [2023-11-24 23:55:28,899 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] [2023-11-24 23:55:28,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2023-11-24 23:55:28,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2023-11-24 23:55:28,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2023-11-24 23:55:28,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2023-11-24 23:55:28,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2023-11-24 23:55:28,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2023-11-24 23:55:28,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2023-11-24 23:55:28,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2023-11-24 23:55:28,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2023-11-24 23:55:28,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2023-11-24 23:55:28,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2023-11-24 23:55:28,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2023-11-24 23:55:28,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2023-11-24 23:55:28,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2023-11-24 23:55:28,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2023-11-24 23:55:28,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2023-11-24 23:55:28,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2023-11-24 23:55:28,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2023-11-24 23:55:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2023-11-24 23:55:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2023-11-24 23:55:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2023-11-24 23:55:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2023-11-24 23:55:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2023-11-24 23:55:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2023-11-24 23:55:28,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2023-11-24 23:55:28,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2023-11-24 23:55:28,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2023-11-24 23:55:28,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2023-11-24 23:55:28,919 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] [2023-11-24 23:55:28,927 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] [2023-11-24 23:55:28,927 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] [2023-11-24 23:55:28,928 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] [2023-11-24 23:55:28,959 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] [2023-11-24 23:55:28,960 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] [2023-11-24 23:55:28,973 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] [2023-11-24 23:55:29,155 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] [2023-11-24 23:55:29,167 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] [2023-11-24 23:55:29,167 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] [2023-11-24 23:55:29,168 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] [2023-11-24 23:55:29,168 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] [2023-11-24 23:55:29,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2023-11-24 23:55:29,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2023-11-24 23:55:29,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2023-11-24 23:55:29,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2023-11-24 23:55:29,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2023-11-24 23:55:29,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2023-11-24 23:55:29,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2023-11-24 23:55:29,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2023-11-24 23:55:29,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2023-11-24 23:55:29,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2023-11-24 23:55:29,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2023-11-24 23:55:29,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2023-11-24 23:55:29,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2023-11-24 23:55:29,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2023-11-24 23:55:29,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2023-11-24 23:55:29,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2023-11-24 23:55:29,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2023-11-24 23:55:29,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2023-11-24 23:55:29,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2023-11-24 23:55:29,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2023-11-24 23:55:29,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2023-11-24 23:55:29,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2023-11-24 23:55:29,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2023-11-24 23:55:29,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2023-11-24 23:55:29,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2023-11-24 23:55:29,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2023-11-24 23:55:29,200 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] [2023-11-24 23:55:29,201 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] [2023-11-24 23:55:29,202 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] [2023-11-24 23:55:29,208 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] [2023-11-24 23:55:29,208 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] [2023-11-24 23:55:29,209 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] [2023-11-24 23:55:29,209 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] [2023-11-24 23:55:29,250 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-24 23:55:29,250 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-24 23:55:29,251 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-24 23:55:29,252 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_2a739dd8-5cd3-4102-aaf9-14cf0216691e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-24 23:55:29,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:29,573 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:29,573 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:29,573 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:29,573 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:29,581 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:29,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29 WrapperNode [2023-11-24 23:55:29,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:29,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:29,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:29,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:29,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:29,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,012 INFO L138 Inliner]: procedures = 584, calls = 2610, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 8059 [2023-11-24 23:55:30,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:30,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:30,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:30,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:30,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:30,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:30,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:30,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:30,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (1/1) ... [2023-11-24 23:55:30,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:30,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:30,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:30,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a739dd8-5cd3-4102-aaf9-14cf0216691e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2023-11-24 23:55:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2023-11-24 23:55:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-24 23:55:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-24 23:55:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-24 23:55:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:55:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:55:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2023-11-24 23:55:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2023-11-24 23:55:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2023-11-24 23:55:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2023-11-24 23:55:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-24 23:55:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-24 23:55:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-24 23:55:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-24 23:55:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2023-11-24 23:55:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2023-11-24 23:55:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:55:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:55:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2023-11-24 23:55:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2023-11-24 23:55:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:55:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:55:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2023-11-24 23:55:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2023-11-24 23:55:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2023-11-24 23:55:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2023-11-24 23:55:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2023-11-24 23:55:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2023-11-24 23:55:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2023-11-24 23:55:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2023-11-24 23:55:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2023-11-24 23:55:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2023-11-24 23:55:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:55:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:55:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-24 23:55:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-24 23:55:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:55:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:55:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:55:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-24 23:55:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-24 23:55:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2023-11-24 23:55:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2023-11-24 23:55:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-24 23:55:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-24 23:55:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:55:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:55:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2023-11-24 23:55:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2023-11-24 23:55:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-24 23:55:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:55:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:55:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2023-11-24 23:55:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2023-11-24 23:55:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:55:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2023-11-24 23:55:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2023-11-24 23:55:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2023-11-24 23:55:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2023-11-24 23:55:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:55:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:55:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:55:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:55:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2023-11-24 23:55:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2023-11-24 23:55:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:55:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:55:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-24 23:55:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-24 23:55:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:55:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:55:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:55:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2023-11-24 23:55:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2023-11-24 23:55:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2023-11-24 23:55:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2023-11-24 23:55:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:55:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:55:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2023-11-24 23:55:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2023-11-24 23:55:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:55:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:55:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:55:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2023-11-24 23:55:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2023-11-24 23:55:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-24 23:55:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-24 23:55:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:55:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2023-11-24 23:55:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2023-11-24 23:55:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2023-11-24 23:55:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2023-11-24 23:55:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:55:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:55:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2023-11-24 23:55:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2023-11-24 23:55:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2023-11-24 23:55:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2023-11-24 23:55:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-24 23:55:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-24 23:55:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-24 23:55:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-24 23:55:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2023-11-24 23:55:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2023-11-24 23:55:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-24 23:55:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-24 23:55:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2023-11-24 23:55:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2023-11-24 23:55:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-24 23:55:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-24 23:55:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-24 23:55:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-24 23:55:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2023-11-24 23:55:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2023-11-24 23:55:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:55:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:55:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:55:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:55:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:55:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:55:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:55:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:55:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:55:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-24 23:55:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-24 23:55:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-24 23:55:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-24 23:55:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:55:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:55:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:55:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2023-11-24 23:55:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2023-11-24 23:55:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:55:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2023-11-24 23:55:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2023-11-24 23:55:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:55:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:55:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2023-11-24 23:55:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2023-11-24 23:55:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2023-11-24 23:55:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2023-11-24 23:55:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2023-11-24 23:55:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2023-11-24 23:55:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-24 23:55:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-24 23:55:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-24 23:55:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-24 23:55:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-24 23:55:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-24 23:55:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:55:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:55:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2023-11-24 23:55:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2023-11-24 23:55:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2023-11-24 23:55:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2023-11-24 23:55:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2023-11-24 23:55:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2023-11-24 23:55:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2023-11-24 23:55:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2023-11-24 23:55:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2023-11-24 23:55:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2023-11-24 23:55:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:55:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:55:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2023-11-24 23:55:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2023-11-24 23:55:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:55:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:55:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-24 23:55:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-24 23:55:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2023-11-24 23:55:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2023-11-24 23:55:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-24 23:55:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-24 23:55:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-24 23:55:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-24 23:55:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2023-11-24 23:55:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2023-11-24 23:55:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:55:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:55:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:55:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:55:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2023-11-24 23:55:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2023-11-24 23:55:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2023-11-24 23:55:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2023-11-24 23:55:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:55:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:55:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:55:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:55:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2023-11-24 23:55:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2023-11-24 23:55:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2023-11-24 23:55:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2023-11-24 23:55:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-24 23:55:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-24 23:55:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2023-11-24 23:55:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2023-11-24 23:55:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2023-11-24 23:55:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2023-11-24 23:55:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-24 23:55:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-24 23:55:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2023-11-24 23:55:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2023-11-24 23:55:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:55:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:55:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2023-11-24 23:55:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2023-11-24 23:55:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-24 23:55:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-24 23:55:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2023-11-24 23:55:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2023-11-24 23:55:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-24 23:55:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-24 23:55:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:55:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:55:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:55:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2023-11-24 23:55:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2023-11-24 23:55:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-24 23:55:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-24 23:55:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:55:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-24 23:55:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-24 23:55:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-24 23:55:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-24 23:55:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2023-11-24 23:55:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2023-11-24 23:55:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-24 23:55:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-24 23:55:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2023-11-24 23:55:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2023-11-24 23:55:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-24 23:55:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-11-24 23:55:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:55:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2023-11-24 23:55:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2023-11-24 23:55:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:55:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:55:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-24 23:55:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-24 23:55:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2023-11-24 23:55:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2023-11-24 23:55:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:55:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:55:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2023-11-24 23:55:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2023-11-24 23:55:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-24 23:55:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-24 23:55:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-24 23:55:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-24 23:55:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2023-11-24 23:55:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2023-11-24 23:55:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:55:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:55:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-24 23:55:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-24 23:55:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:55:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:55:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2023-11-24 23:55:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2023-11-24 23:55:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:55:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:55:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-11-24 23:55:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-11-24 23:55:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2023-11-24 23:55:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2023-11-24 23:55:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2023-11-24 23:55:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2023-11-24 23:55:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2023-11-24 23:55:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2023-11-24 23:55:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-24 23:55:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-24 23:55:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2023-11-24 23:55:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2023-11-24 23:55:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2023-11-24 23:55:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2023-11-24 23:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2023-11-24 23:55:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2023-11-24 23:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:55:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-24 23:55:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-24 23:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2023-11-24 23:55:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2023-11-24 23:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-24 23:55:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-24 23:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2023-11-24 23:55:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2023-11-24 23:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2023-11-24 23:55:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2023-11-24 23:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:55:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:55:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:55:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-24 23:55:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-24 23:55:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2023-11-24 23:55:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2023-11-24 23:55:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:55:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:55:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2023-11-24 23:55:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2023-11-24 23:55:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-24 23:55:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-24 23:55:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2023-11-24 23:55:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2023-11-24 23:55:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2023-11-24 23:55:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2023-11-24 23:55:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-24 23:55:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-24 23:55:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-24 23:55:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-24 23:55:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2023-11-24 23:55:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2023-11-24 23:55:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2023-11-24 23:55:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2023-11-24 23:55:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2023-11-24 23:55:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2023-11-24 23:55:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-24 23:55:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-24 23:55:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2023-11-24 23:55:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2023-11-24 23:55:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2023-11-24 23:55:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2023-11-24 23:55:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-24 23:55:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-24 23:55:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-24 23:55:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-24 23:55:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2023-11-24 23:55:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2023-11-24 23:55:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2023-11-24 23:55:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2023-11-24 23:55:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:55:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:55:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2023-11-24 23:55:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2023-11-24 23:55:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-24 23:55:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-24 23:55:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-24 23:55:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-24 23:55:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:55:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:55:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2023-11-24 23:55:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2023-11-24 23:55:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-24 23:55:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-24 23:55:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2023-11-24 23:55:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2023-11-24 23:55:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2023-11-24 23:55:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2023-11-24 23:55:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2023-11-24 23:55:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2023-11-24 23:55:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:55:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:55:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-24 23:55:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-24 23:55:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-24 23:55:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-24 23:55:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:55:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:55:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:55:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2023-11-24 23:55:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2023-11-24 23:55:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2023-11-24 23:55:30,606 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2023-11-24 23:55:31,954 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:31,962 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:32,206 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:55:40,892 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:55:41,231 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:45,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:45,609 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:55:45,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:45 BoogieIcfgContainer [2023-11-24 23:55:45,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:45,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:45,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:45,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:45,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:23" (1/3) ... [2023-11-24 23:55:45,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16666aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:45, skipping insertion in model container [2023-11-24 23:55:45,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:29" (2/3) ... [2023-11-24 23:55:45,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16666aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:45, skipping insertion in model container [2023-11-24 23:55:45,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:45" (3/3) ... [2023-11-24 23:55:45,628 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-24 23:55:45,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:45,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:55:45,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:45,789 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;@e4be98d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:45,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:55:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 2813 states, 1676 states have (on average 1.2965393794749402) internal successors, (2173), 1717 states have internal predecessors, (2173), 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) [2023-11-24 23:55:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-11-24 23:55:45,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:45,840 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] [2023-11-24 23:55:45,840 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)] === [2023-11-24 23:55:45,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:45,846 INFO L85 PathProgramCache]: Analyzing trace with hash 357816349, now seen corresponding path program 1 times [2023-11-24 23:55:45,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:45,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006019983] [2023-11-24 23:55:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:45,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-24 23:55:47,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:47,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006019983] [2023-11-24 23:55:47,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006019983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:47,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:47,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:47,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503588672] [2023-11-24 23:55:47,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:47,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:47,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:47,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:47,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:47,178 INFO L87 Difference]: Start difference. First operand has 2813 states, 1676 states have (on average 1.2965393794749402) internal successors, (2173), 1717 states have internal predecessors, (2173), 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) [2023-11-24 23:55:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:50,926 INFO L93 Difference]: Finished difference Result 8157 states and 12144 transitions. [2023-11-24 23:55:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:50,929 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 [2023-11-24 23:55:50,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:50,992 INFO L225 Difference]: With dead ends: 8157 [2023-11-24 23:55:50,993 INFO L226 Difference]: Without dead ends: 5402 [2023-11-24 23:55:51,022 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 [2023-11-24 23:55:51,026 INFO L413 NwaCegarLoop]: 3601 mSDtfsCounter, 3825 mSDsluCounter, 3530 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3825 SdHoareTripleChecker+Valid, 7131 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:51,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3825 Valid, 7131 Invalid, 957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-24 23:55:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2023-11-24 23:55:51,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5398. [2023-11-24 23:55:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5398 states, 3240 states have (on average 1.291358024691358) internal successors, (4184), 3325 states have internal predecessors, (4184), 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) [2023-11-24 23:55:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5398 states to 5398 states and 7808 transitions. [2023-11-24 23:55:51,759 INFO L78 Accepts]: Start accepts. Automaton has 5398 states and 7808 transitions. Word has length 365 [2023-11-24 23:55:51,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:51,766 INFO L495 AbstractCegarLoop]: Abstraction has 5398 states and 7808 transitions. [2023-11-24 23:55:51,767 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) [2023-11-24 23:55:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5398 states and 7808 transitions. [2023-11-24 23:55:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-11-24 23:55:51,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:51,786 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] [2023-11-24 23:55:51,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:55:51,786 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)] === [2023-11-24 23:55:51,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash 932630486, now seen corresponding path program 1 times [2023-11-24 23:55:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:51,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157168077] [2023-11-24 23:55:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:51,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-24 23:55:52,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:52,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157168077] [2023-11-24 23:55:52,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157168077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:52,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:52,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:52,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803636418] [2023-11-24 23:55:52,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:52,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:52,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:52,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:52,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:52,247 INFO L87 Difference]: Start difference. First operand 5398 states and 7808 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) [2023-11-24 23:55:56,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:56,174 INFO L93 Difference]: Finished difference Result 13341 states and 19267 transitions. [2023-11-24 23:55:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:56,174 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 [2023-11-24 23:55:56,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:56,261 INFO L225 Difference]: With dead ends: 13341 [2023-11-24 23:55:56,262 INFO L226 Difference]: Without dead ends: 8012 [2023-11-24 23:55:56,454 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 [2023-11-24 23:55:56,455 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 3821 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3821 SdHoareTripleChecker+Valid, 7129 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:56,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3821 Valid, 7129 Invalid, 968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:55:56,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8012 states. [2023-11-24 23:55:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8012 to 7979. [2023-11-24 23:55:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7979 states, 4789 states have (on average 1.2881603675088744) internal successors, (6169), 4915 states have internal predecessors, (6169), 2670 states have call successors, (2670), 518 states have call predecessors, (2670), 517 states have return successors, (2666), 2618 states have call predecessors, (2666), 2666 states have call successors, (2666) [2023-11-24 23:55:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7979 states to 7979 states and 11505 transitions. [2023-11-24 23:55:57,144 INFO L78 Accepts]: Start accepts. Automaton has 7979 states and 11505 transitions. Word has length 379 [2023-11-24 23:55:57,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:57,147 INFO L495 AbstractCegarLoop]: Abstraction has 7979 states and 11505 transitions. [2023-11-24 23:55:57,148 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) [2023-11-24 23:55:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7979 states and 11505 transitions. [2023-11-24 23:55:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-11-24 23:55:57,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:57,158 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] [2023-11-24 23:55:57,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:55:57,158 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)] === [2023-11-24 23:55:57,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:57,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1652767970, now seen corresponding path program 1 times [2023-11-24 23:55:57,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:57,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497130371] [2023-11-24 23:55:57,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:57,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-24 23:55:57,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:57,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497130371] [2023-11-24 23:55:57,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497130371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:57,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:57,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:57,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861288281] [2023-11-24 23:55:57,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:57,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:57,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:57,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:57,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:57,526 INFO L87 Difference]: Start difference. First operand 7979 states and 11505 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) [2023-11-24 23:56:01,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:56:01,790 INFO L93 Difference]: Finished difference Result 16723 states and 24032 transitions. [2023-11-24 23:56:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:56:01,791 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 [2023-11-24 23:56:01,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:56:01,888 INFO L225 Difference]: With dead ends: 16723 [2023-11-24 23:56:01,888 INFO L226 Difference]: Without dead ends: 8813 [2023-11-24 23:56:01,937 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 [2023-11-24 23:56:01,941 INFO L413 NwaCegarLoop]: 5125 mSDtfsCounter, 3801 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3801 SdHoareTripleChecker+Valid, 8668 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:56:01,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3801 Valid, 8668 Invalid, 1140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-24 23:56:01,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8813 states. [2023-11-24 23:56:02,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8813 to 8780. [2023-11-24 23:56:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8780 states, 5279 states have (on average 1.2869861716234134) internal successors, (6794), 5418 states have internal predecessors, (6794), 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) [2023-11-24 23:56:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8780 states to 8780 states and 12568 transitions. [2023-11-24 23:56:02,858 INFO L78 Accepts]: Start accepts. Automaton has 8780 states and 12568 transitions. Word has length 380 [2023-11-24 23:56:02,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:02,859 INFO L495 AbstractCegarLoop]: Abstraction has 8780 states and 12568 transitions. [2023-11-24 23:56:02,860 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) [2023-11-24 23:56:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 8780 states and 12568 transitions. [2023-11-24 23:56:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-24 23:56:02,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:02,873 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] [2023-11-24 23:56:02,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:56:02,874 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)] === [2023-11-24 23:56:02,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:02,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1744328356, now seen corresponding path program 1 times [2023-11-24 23:56:02,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:56:02,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771398178] [2023-11-24 23:56:02,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:02,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:56:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat