./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 cf1a7837 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:52,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:52,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:59:52,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:52,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:52,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:52,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:52,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:52,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:52,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:52,185 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:52,186 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:52,187 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:52,189 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:52,189 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:52,190 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:52,190 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:52,191 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:52,191 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:52,192 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:52,193 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:52,193 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:52,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:52,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:52,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:52,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:52,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:52,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:52,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:52,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:52,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:52,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:52,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:52,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:52,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:52,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:52,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:52,202 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:52,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:52,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:52,203 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:52,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:52,204 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2023-11-12 00:59:52,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:52,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:52,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:52,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:52,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:52,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-12 00:59:55,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:56,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:56,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-12 00:59:56,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/data/78c88950a/946d347950204b44a273d5512f1711d4/FLAGa8ba083cb [2023-11-12 00:59:56,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/data/78c88950a/946d347950204b44a273d5512f1711d4 [2023-11-12 00:59:56,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:56,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:56,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:56,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:56,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:56,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:56" (1/1) ... [2023-11-12 00:59:56,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eef93b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:56, skipping insertion in model container [2023-11-12 00:59:56,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:56" (1/1) ... [2023-11-12 00:59:57,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:02,066 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-12 01:00:02,072 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-12 01:00:02,081 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-12 01:00:02,083 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-12 01:00:02,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:02,141 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:02,299 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] [2023-11-12 01:00:02,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2023-11-12 01:00:02,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2023-11-12 01:00:02,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2023-11-12 01:00:02,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2023-11-12 01:00:02,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2023-11-12 01:00:02,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2023-11-12 01:00:02,307 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] [2023-11-12 01:00:02,307 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] [2023-11-12 01:00:02,307 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] [2023-11-12 01:00:02,308 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] [2023-11-12 01:00:02,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2023-11-12 01:00:02,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2023-11-12 01:00:02,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2023-11-12 01:00:02,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2023-11-12 01:00:02,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2023-11-12 01:00:02,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2023-11-12 01:00:02,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2023-11-12 01:00:02,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2023-11-12 01:00:02,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2023-11-12 01:00:02,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2023-11-12 01:00:02,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2023-11-12 01:00:02,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2023-11-12 01:00:02,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2023-11-12 01:00:02,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2023-11-12 01:00:02,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2023-11-12 01:00:02,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2023-11-12 01:00:02,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2023-11-12 01:00:02,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2023-11-12 01:00:02,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2023-11-12 01:00:02,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2023-11-12 01:00:02,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2023-11-12 01:00:02,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2023-11-12 01:00:02,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2023-11-12 01:00:02,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2023-11-12 01:00:02,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2023-11-12 01:00:02,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2023-11-12 01:00:02,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2023-11-12 01:00:02,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2023-11-12 01:00:02,334 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] [2023-11-12 01:00:02,426 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] [2023-11-12 01:00:02,426 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] [2023-11-12 01:00:02,426 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] [2023-11-12 01:00:02,472 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] [2023-11-12 01:00:02,473 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] [2023-11-12 01:00:02,490 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] [2023-11-12 01:00:02,645 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] [2023-11-12 01:00:02,656 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] [2023-11-12 01:00:02,656 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] [2023-11-12 01:00:02,657 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] [2023-11-12 01:00:02,658 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] [2023-11-12 01:00:02,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2023-11-12 01:00:02,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2023-11-12 01:00:02,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2023-11-12 01:00:02,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2023-11-12 01:00:02,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2023-11-12 01:00:02,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2023-11-12 01:00:02,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2023-11-12 01:00:02,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2023-11-12 01:00:02,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2023-11-12 01:00:02,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2023-11-12 01:00:02,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2023-11-12 01:00:02,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2023-11-12 01:00:02,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2023-11-12 01:00:02,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2023-11-12 01:00:02,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2023-11-12 01:00:02,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2023-11-12 01:00:02,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2023-11-12 01:00:02,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2023-11-12 01:00:02,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2023-11-12 01:00:02,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2023-11-12 01:00:02,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2023-11-12 01:00:02,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2023-11-12 01:00:02,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2023-11-12 01:00:02,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2023-11-12 01:00:02,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2023-11-12 01:00:02,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2023-11-12 01:00:02,691 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] [2023-11-12 01:00:02,692 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] [2023-11-12 01:00:02,694 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] [2023-11-12 01:00:02,699 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] [2023-11-12 01:00:02,699 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] [2023-11-12 01:00:02,700 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] [2023-11-12 01:00:02,700 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] [2023-11-12 01:00:02,809 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-12 01:00:02,810 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-12 01:00:02,811 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-12 01:00:02,811 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_03761cf0-75bb-43b6-bd67-f46f5b1be03e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-12 01:00:02,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:03,080 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:03,081 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:03,081 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:03,081 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:03,089 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:03,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03 WrapperNode [2023-11-12 01:00:03,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:03,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:03,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:03,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:03,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,510 INFO L138 Inliner]: procedures = 584, calls = 2610, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 7857 [2023-11-12 01:00:03,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:03,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:03,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:03,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:03,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:03,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:04,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:04,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:04,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:04,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:04,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (1/1) ... [2023-11-12 01:00:04,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:04,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:04,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:04,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03761cf0-75bb-43b6-bd67-f46f5b1be03e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2023-11-12 01:00:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2023-11-12 01:00:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 01:00:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-12 01:00:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-12 01:00:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:00:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:00:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2023-11-12 01:00:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2023-11-12 01:00:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2023-11-12 01:00:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2023-11-12 01:00:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-12 01:00:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-12 01:00:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 01:00:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 01:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2023-11-12 01:00:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2023-11-12 01:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:00:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2023-11-12 01:00:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2023-11-12 01:00:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 01:00:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 01:00:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2023-11-12 01:00:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2023-11-12 01:00:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2023-11-12 01:00:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2023-11-12 01:00:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2023-11-12 01:00:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2023-11-12 01:00:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2023-11-12 01:00:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2023-11-12 01:00:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2023-11-12 01:00:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2023-11-12 01:00:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 01:00:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 01:00:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-12 01:00:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-12 01:00:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 01:00:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 01:00:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 01:00:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-12 01:00:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-12 01:00:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2023-11-12 01:00:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2023-11-12 01:00:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-12 01:00:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-12 01:00:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:00:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 01:00:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2023-11-12 01:00:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2023-11-12 01:00:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 01:00:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:00:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:00:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2023-11-12 01:00:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2023-11-12 01:00:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2023-11-12 01:00:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2023-11-12 01:00:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2023-11-12 01:00:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2023-11-12 01:00:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 01:00:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 01:00:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 01:00:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 01:00:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2023-11-12 01:00:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2023-11-12 01:00:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 01:00:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 01:00:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 01:00:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 01:00:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:00:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 01:00:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 01:00:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2023-11-12 01:00:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2023-11-12 01:00:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2023-11-12 01:00:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2023-11-12 01:00:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 01:00:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 01:00:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2023-11-12 01:00:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2023-11-12 01:00:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:00:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:00:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 01:00:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2023-11-12 01:00:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2023-11-12 01:00:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 01:00:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 01:00:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:00:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2023-11-12 01:00:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2023-11-12 01:00:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2023-11-12 01:00:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2023-11-12 01:00:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:00:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:00:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2023-11-12 01:00:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2023-11-12 01:00:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2023-11-12 01:00:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2023-11-12 01:00:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 01:00:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 01:00:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-12 01:00:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-12 01:00:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2023-11-12 01:00:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2023-11-12 01:00:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 01:00:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 01:00:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2023-11-12 01:00:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2023-11-12 01:00:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 01:00:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 01:00:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-12 01:00:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-12 01:00:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2023-11-12 01:00:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2023-11-12 01:00:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 01:00:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 01:00:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 01:00:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 01:00:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 01:00:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 01:00:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 01:00:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 01:00:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 01:00:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 01:00:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-12 01:00:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-12 01:00:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:00:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:00:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:00:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2023-11-12 01:00:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2023-11-12 01:00:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 01:00:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2023-11-12 01:00:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2023-11-12 01:00:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:00:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:00:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2023-11-12 01:00:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2023-11-12 01:00:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2023-11-12 01:00:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2023-11-12 01:00:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2023-11-12 01:00:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2023-11-12 01:00:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 01:00:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 01:00:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-12 01:00:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-12 01:00:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 01:00:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 01:00:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:00:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:00:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2023-11-12 01:00:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2023-11-12 01:00:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2023-11-12 01:00:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2023-11-12 01:00:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2023-11-12 01:00:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2023-11-12 01:00:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2023-11-12 01:00:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2023-11-12 01:00:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2023-11-12 01:00:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2023-11-12 01:00:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 01:00:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 01:00:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2023-11-12 01:00:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2023-11-12 01:00:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 01:00:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 01:00:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 01:00:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 01:00:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2023-11-12 01:00:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2023-11-12 01:00:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 01:00:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 01:00:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-12 01:00:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-12 01:00:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2023-11-12 01:00:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2023-11-12 01:00:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:00:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:00:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:00:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:00:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2023-11-12 01:00:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2023-11-12 01:00:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2023-11-12 01:00:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2023-11-12 01:00:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 01:00:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 01:00:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 01:00:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 01:00:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2023-11-12 01:00:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2023-11-12 01:00:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2023-11-12 01:00:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2023-11-12 01:00:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-12 01:00:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-12 01:00:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2023-11-12 01:00:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2023-11-12 01:00:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2023-11-12 01:00:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2023-11-12 01:00:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 01:00:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 01:00:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2023-11-12 01:00:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2023-11-12 01:00:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:00:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:00:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2023-11-12 01:00:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2023-11-12 01:00:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 01:00:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 01:00:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2023-11-12 01:00:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2023-11-12 01:00:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-12 01:00:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-12 01:00:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 01:00:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 01:00:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2023-11-12 01:00:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2023-11-12 01:00:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-12 01:00:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-12 01:00:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:00:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-12 01:00:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-12 01:00:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-12 01:00:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-12 01:00:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2023-11-12 01:00:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2023-11-12 01:00:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-12 01:00:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-12 01:00:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2023-11-12 01:00:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2023-11-12 01:00:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-12 01:00:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-11-12 01:00:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:00:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2023-11-12 01:00:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2023-11-12 01:00:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:00:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:00:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-12 01:00:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-12 01:00:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2023-11-12 01:00:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2023-11-12 01:00:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 01:00:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 01:00:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2023-11-12 01:00:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2023-11-12 01:00:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-12 01:00:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-12 01:00:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-12 01:00:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-12 01:00:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2023-11-12 01:00:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2023-11-12 01:00:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 01:00:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 01:00:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 01:00:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 01:00:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 01:00:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 01:00:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2023-11-12 01:00:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2023-11-12 01:00:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 01:00:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 01:00:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-11-12 01:00:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-11-12 01:00:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2023-11-12 01:00:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2023-11-12 01:00:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2023-11-12 01:00:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2023-11-12 01:00:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2023-11-12 01:00:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2023-11-12 01:00:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-12 01:00:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-12 01:00:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2023-11-12 01:00:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2023-11-12 01:00:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2023-11-12 01:00:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2023-11-12 01:00:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2023-11-12 01:00:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2023-11-12 01:00:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 01:00:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 01:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-12 01:00:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-12 01:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2023-11-12 01:00:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2023-11-12 01:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-12 01:00:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-12 01:00:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2023-11-12 01:00:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2023-11-12 01:00:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2023-11-12 01:00:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2023-11-12 01:00:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 01:00:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 01:00:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:00:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-12 01:00:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-12 01:00:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2023-11-12 01:00:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2023-11-12 01:00:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:00:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:00:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2023-11-12 01:00:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2023-11-12 01:00:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-12 01:00:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-12 01:00:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2023-11-12 01:00:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2023-11-12 01:00:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2023-11-12 01:00:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2023-11-12 01:00:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-12 01:00:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-12 01:00:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-12 01:00:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-12 01:00:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2023-11-12 01:00:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2023-11-12 01:00:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2023-11-12 01:00:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2023-11-12 01:00:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2023-11-12 01:00:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2023-11-12 01:00:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 01:00:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 01:00:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2023-11-12 01:00:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2023-11-12 01:00:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2023-11-12 01:00:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2023-11-12 01:00:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-12 01:00:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-12 01:00:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-12 01:00:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-12 01:00:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2023-11-12 01:00:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2023-11-12 01:00:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2023-11-12 01:00:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2023-11-12 01:00:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 01:00:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 01:00:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2023-11-12 01:00:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2023-11-12 01:00:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 01:00:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 01:00:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-12 01:00:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-12 01:00:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 01:00:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 01:00:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2023-11-12 01:00:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2023-11-12 01:00:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 01:00:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 01:00:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2023-11-12 01:00:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2023-11-12 01:00:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2023-11-12 01:00:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2023-11-12 01:00:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2023-11-12 01:00:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2023-11-12 01:00:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 01:00:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 01:00:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-12 01:00:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-12 01:00:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 01:00:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 01:00:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:00:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 01:00:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 01:00:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2023-11-12 01:00:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2023-11-12 01:00:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2023-11-12 01:00:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2023-11-12 01:00:05,285 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:05,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:05,544 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:00:14,102 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:00:14,369 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:18,953 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:18,954 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 01:00:18,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:18 BoogieIcfgContainer [2023-11-12 01:00:18,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:18,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:18,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:18,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:18,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:56" (1/3) ... [2023-11-12 01:00:18,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297608ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:18, skipping insertion in model container [2023-11-12 01:00:18,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:03" (2/3) ... [2023-11-12 01:00:18,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297608ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:18, skipping insertion in model container [2023-11-12 01:00:18,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:18" (3/3) ... [2023-11-12 01:00:18,974 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-12 01:00:18,994 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:18,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 01:00:19,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:19,139 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74230e90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:19,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 01:00:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 2799 states, 1662 states have (on average 1.299037304452467) internal successors, (2159), 1711 states have internal predecessors, (2159), 963 states have call successors, (963), 174 states have call predecessors, (963), 173 states have return successors, (956), 941 states have call predecessors, (956), 956 states have call successors, (956) [2023-11-12 01:00:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-11-12 01:00:19,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:19,217 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] [2023-11-12 01:00:19,218 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)] === [2023-11-12 01:00:19,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1684623593, now seen corresponding path program 1 times [2023-11-12 01:00:19,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:19,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518831694] [2023-11-12 01:00:19,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:19,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-12 01:00:20,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:20,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518831694] [2023-11-12 01:00:20,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518831694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:20,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:20,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:20,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075155313] [2023-11-12 01:00:20,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:20,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:20,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:20,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:20,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:20,834 INFO L87 Difference]: Start difference. First operand has 2799 states, 1662 states have (on average 1.299037304452467) internal successors, (2159), 1711 states have internal predecessors, (2159), 963 states have call successors, (963), 174 states have call predecessors, (963), 173 states have return successors, (956), 941 states have call predecessors, (956), 956 states have call successors, (956) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-12 01:00:24,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:24,559 INFO L93 Difference]: Finished difference Result 8115 states and 12102 transitions. [2023-11-12 01:00:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:24,561 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 [2023-11-12 01:00:24,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:24,625 INFO L225 Difference]: With dead ends: 8115 [2023-11-12 01:00:24,625 INFO L226 Difference]: Without dead ends: 5374 [2023-11-12 01:00:24,652 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 [2023-11-12 01:00:24,656 INFO L413 NwaCegarLoop]: 3587 mSDtfsCounter, 3811 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 7103 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:24,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 7103 Invalid, 957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-12 01:00:24,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2023-11-12 01:00:25,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5370. [2023-11-12 01:00:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5370 states, 3212 states have (on average 1.293897882938979) internal successors, (4156), 3313 states have internal predecessors, (4156), 1814 states have call successors, (1814), 342 states have call predecessors, (1814), 341 states have return successors, (1810), 1780 states have call predecessors, (1810), 1810 states have call successors, (1810) [2023-11-12 01:00:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 5370 states and 7780 transitions. [2023-11-12 01:00:25,251 INFO L78 Accepts]: Start accepts. Automaton has 5370 states and 7780 transitions. Word has length 365 [2023-11-12 01:00:25,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:25,258 INFO L495 AbstractCegarLoop]: Abstraction has 5370 states and 7780 transitions. [2023-11-12 01:00:25,259 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) [2023-11-12 01:00:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5370 states and 7780 transitions. [2023-11-12 01:00:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-11-12 01:00:25,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:25,274 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] [2023-11-12 01:00:25,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:00:25,276 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)] === [2023-11-12 01:00:25,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:25,277 INFO L85 PathProgramCache]: Analyzing trace with hash -764470149, now seen corresponding path program 1 times [2023-11-12 01:00:25,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:25,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014718911] [2023-11-12 01:00:25,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:25,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-12 01:00:25,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:25,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014718911] [2023-11-12 01:00:25,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014718911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:25,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:25,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:25,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610036902] [2023-11-12 01:00:25,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:25,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:25,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:25,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:25,739 INFO L87 Difference]: Start difference. First operand 5370 states and 7780 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) [2023-11-12 01:00:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:29,750 INFO L93 Difference]: Finished difference Result 13271 states and 19197 transitions. [2023-11-12 01:00:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:29,751 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 [2023-11-12 01:00:29,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:29,845 INFO L225 Difference]: With dead ends: 13271 [2023-11-12 01:00:29,845 INFO L226 Difference]: Without dead ends: 7970 [2023-11-12 01:00:29,884 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 [2023-11-12 01:00:29,886 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 3807 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 7101 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:29,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 7101 Invalid, 968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-12 01:00:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2023-11-12 01:00:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 7937. [2023-11-12 01:00:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7937 states, 4747 states have (on average 1.2907099220560354) internal successors, (6127), 4897 states have internal predecessors, (6127), 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) [2023-11-12 01:00:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7937 states to 7937 states and 11463 transitions. [2023-11-12 01:00:30,715 INFO L78 Accepts]: Start accepts. Automaton has 7937 states and 11463 transitions. Word has length 379 [2023-11-12 01:00:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:30,718 INFO L495 AbstractCegarLoop]: Abstraction has 7937 states and 11463 transitions. [2023-11-12 01:00:30,719 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) [2023-11-12 01:00:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 7937 states and 11463 transitions. [2023-11-12 01:00:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-11-12 01:00:30,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:30,730 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] [2023-11-12 01:00:30,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:00:30,731 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)] === [2023-11-12 01:00:30,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1062160168, now seen corresponding path program 1 times [2023-11-12 01:00:30,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:30,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850105548] [2023-11-12 01:00:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-12 01:00:31,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:31,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850105548] [2023-11-12 01:00:31,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850105548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:31,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:31,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652831590] [2023-11-12 01:00:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:31,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:31,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:31,180 INFO L87 Difference]: Start difference. First operand 7937 states and 11463 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) [2023-11-12 01:00:35,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:35,481 INFO L93 Difference]: Finished difference Result 16633 states and 23942 transitions. [2023-11-12 01:00:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:35,482 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 [2023-11-12 01:00:35,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:35,568 INFO L225 Difference]: With dead ends: 16633 [2023-11-12 01:00:35,568 INFO L226 Difference]: Without dead ends: 8765 [2023-11-12 01:00:35,613 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 [2023-11-12 01:00:35,618 INFO L413 NwaCegarLoop]: 4218 mSDtfsCounter, 3787 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 7747 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:35,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 7747 Invalid, 1070 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-12 01:00:35,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8765 states. [2023-11-12 01:00:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8765 to 8732. [2023-11-12 01:00:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 5231 states have (on average 1.2896195756069586) internal successors, (6746), 5400 states have internal predecessors, (6746), 2889 states have call successors, (2889), 610 states have call predecessors, (2889), 609 states have return successors, (2885), 2826 states have call predecessors, (2885), 2885 states have call successors, (2885) [2023-11-12 01:00:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 12520 transitions. [2023-11-12 01:00:36,401 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 12520 transitions. Word has length 380 [2023-11-12 01:00:36,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:36,403 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 12520 transitions. [2023-11-12 01:00:36,403 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) [2023-11-12 01:00:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 12520 transitions. [2023-11-12 01:00:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-12 01:00:36,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:36,416 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] [2023-11-12 01:00:36,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 01:00:36,416 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)] === [2023-11-12 01:00:36,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash 239737696, now seen corresponding path program 1 times [2023-11-12 01:00:36,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:36,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730673967] [2023-11-12 01:00:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:36,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat