./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 9bd2c7ff 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_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:01,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:02,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:42:02,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:02,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:02,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:02,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:02,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:02,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:02,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:02,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:02,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:02,113 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:02,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:02,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:02,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:02,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:02,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:02,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:02,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:02,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:02,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:02,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:02,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:02,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:02,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:02,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:02,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:02,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:02,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:02,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:02,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:02,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:02,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:02,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:02,131 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:02,131 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2023-11-19 07:42:02,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:02,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:02,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:02,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:02,503 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:02,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-19 07:42:05,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:06,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:06,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-19 07:42:06,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/data/052fab215/637791d0486b46d1a24f44c75bb48715/FLAGbb2c79add [2023-11-19 07:42:06,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/data/052fab215/637791d0486b46d1a24f44c75bb48715 [2023-11-19 07:42:06,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:06,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:06,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:06,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:06,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:06,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1462d511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06, skipping insertion in model container [2023-11-19 07:42:06,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:07,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:11,955 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-19 07:42:11,962 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-19 07:42:11,962 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-19 07:42:11,963 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-19 07:42:11,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:12,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:12,242 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] [2023-11-19 07:42:12,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2023-11-19 07:42:12,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2023-11-19 07:42:12,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2023-11-19 07:42:12,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2023-11-19 07:42:12,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2023-11-19 07:42:12,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2023-11-19 07:42:12,248 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] [2023-11-19 07:42:12,249 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] [2023-11-19 07:42:12,249 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] [2023-11-19 07:42:12,249 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] [2023-11-19 07:42:12,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2023-11-19 07:42:12,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2023-11-19 07:42:12,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2023-11-19 07:42:12,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2023-11-19 07:42:12,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2023-11-19 07:42:12,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2023-11-19 07:42:12,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2023-11-19 07:42:12,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2023-11-19 07:42:12,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2023-11-19 07:42:12,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2023-11-19 07:42:12,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2023-11-19 07:42:12,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2023-11-19 07:42:12,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2023-11-19 07:42:12,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2023-11-19 07:42:12,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2023-11-19 07:42:12,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2023-11-19 07:42:12,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2023-11-19 07:42:12,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2023-11-19 07:42:12,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2023-11-19 07:42:12,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2023-11-19 07:42:12,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2023-11-19 07:42:12,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2023-11-19 07:42:12,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2023-11-19 07:42:12,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2023-11-19 07:42:12,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2023-11-19 07:42:12,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2023-11-19 07:42:12,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2023-11-19 07:42:12,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2023-11-19 07:42:12,273 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] [2023-11-19 07:42:12,284 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] [2023-11-19 07:42:12,286 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] [2023-11-19 07:42:12,287 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] [2023-11-19 07:42:12,324 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] [2023-11-19 07:42:12,325 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] [2023-11-19 07:42:12,351 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] [2023-11-19 07:42:12,491 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] [2023-11-19 07:42:12,500 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] [2023-11-19 07:42:12,500 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] [2023-11-19 07:42:12,500 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] [2023-11-19 07:42:12,502 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] [2023-11-19 07:42:12,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2023-11-19 07:42:12,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2023-11-19 07:42:12,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2023-11-19 07:42:12,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2023-11-19 07:42:12,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2023-11-19 07:42:12,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2023-11-19 07:42:12,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2023-11-19 07:42:12,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2023-11-19 07:42:12,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2023-11-19 07:42:12,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2023-11-19 07:42:12,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2023-11-19 07:42:12,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2023-11-19 07:42:12,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2023-11-19 07:42:12,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2023-11-19 07:42:12,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2023-11-19 07:42:12,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2023-11-19 07:42:12,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2023-11-19 07:42:12,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2023-11-19 07:42:12,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2023-11-19 07:42:12,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2023-11-19 07:42:12,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2023-11-19 07:42:12,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2023-11-19 07:42:12,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2023-11-19 07:42:12,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2023-11-19 07:42:12,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2023-11-19 07:42:12,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2023-11-19 07:42:12,530 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] [2023-11-19 07:42:12,532 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] [2023-11-19 07:42:12,534 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] [2023-11-19 07:42:12,538 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] [2023-11-19 07:42:12,539 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] [2023-11-19 07:42:12,539 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] [2023-11-19 07:42:12,540 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] [2023-11-19 07:42:12,572 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-19 07:42:12,573 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-19 07:42:12,574 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-19 07:42:12,574 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_6e4aef22-b359-4d1e-aa6d-261187973a57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-19 07:42:12,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:12,858 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:12,858 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:12,859 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:12,859 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:12,867 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:12,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12 WrapperNode [2023-11-19 07:42:12,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:12,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:12,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:12,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:12,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,381 INFO L138 Inliner]: procedures = 584, calls = 2610, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 7857 [2023-11-19 07:42:13,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:13,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:13,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:13,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:13,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:13,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:13,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:13,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:13,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (1/1) ... [2023-11-19 07:42:13,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:13,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:13,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:13,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4aef22-b359-4d1e-aa6d-261187973a57/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2023-11-19 07:42:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2023-11-19 07:42:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:42:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-19 07:42:13,845 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-19 07:42:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:42:13,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:42:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2023-11-19 07:42:13,845 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2023-11-19 07:42:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2023-11-19 07:42:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2023-11-19 07:42:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 07:42:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 07:42:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:42:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:42:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2023-11-19 07:42:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2023-11-19 07:42:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:42:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:42:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2023-11-19 07:42:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2023-11-19 07:42:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:42:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:42:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2023-11-19 07:42:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2023-11-19 07:42:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2023-11-19 07:42:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2023-11-19 07:42:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2023-11-19 07:42:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2023-11-19 07:42:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2023-11-19 07:42:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2023-11-19 07:42:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2023-11-19 07:42:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2023-11-19 07:42:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:42:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:42:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-19 07:42:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-19 07:42:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:42:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:42:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:42:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-19 07:42:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-19 07:42:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2023-11-19 07:42:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2023-11-19 07:42:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 07:42:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 07:42:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:42:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:42:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2023-11-19 07:42:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2023-11-19 07:42:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:42:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:42:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:42:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2023-11-19 07:42:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2023-11-19 07:42:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2023-11-19 07:42:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2023-11-19 07:42:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2023-11-19 07:42:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2023-11-19 07:42:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:42:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:42:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:42:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:42:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2023-11-19 07:42:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2023-11-19 07:42:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:42:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:42:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 07:42:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 07:42:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:42:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:42:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:42:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2023-11-19 07:42:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2023-11-19 07:42:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2023-11-19 07:42:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2023-11-19 07:42:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:42:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:42:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2023-11-19 07:42:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2023-11-19 07:42:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:42:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:42:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:42:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2023-11-19 07:42:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2023-11-19 07:42:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 07:42:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 07:42:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:42:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2023-11-19 07:42:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2023-11-19 07:42:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2023-11-19 07:42:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2023-11-19 07:42:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:42:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:42:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2023-11-19 07:42:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2023-11-19 07:42:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2023-11-19 07:42:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2023-11-19 07:42:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 07:42:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 07:42:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-19 07:42:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-19 07:42:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2023-11-19 07:42:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2023-11-19 07:42:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:42:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:42:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2023-11-19 07:42:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2023-11-19 07:42:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:42:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:42:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 07:42:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 07:42:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2023-11-19 07:42:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2023-11-19 07:42:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:42:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:42:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:42:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:42:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:42:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:42:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 07:42:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 07:42:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:42:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:42:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-19 07:42:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-19 07:42:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:42:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:42:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2023-11-19 07:42:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2023-11-19 07:42:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:42:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2023-11-19 07:42:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2023-11-19 07:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:42:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2023-11-19 07:42:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2023-11-19 07:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2023-11-19 07:42:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2023-11-19 07:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2023-11-19 07:42:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2023-11-19 07:42:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:42:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:42:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-19 07:42:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-19 07:42:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:42:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:42:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:42:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:42:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2023-11-19 07:42:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2023-11-19 07:42:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2023-11-19 07:42:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2023-11-19 07:42:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2023-11-19 07:42:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2023-11-19 07:42:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2023-11-19 07:42:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2023-11-19 07:42:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2023-11-19 07:42:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2023-11-19 07:42:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:42:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:42:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2023-11-19 07:42:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2023-11-19 07:42:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:42:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:42:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:42:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:42:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2023-11-19 07:42:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2023-11-19 07:42:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:42:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:42:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-19 07:42:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-19 07:42:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2023-11-19 07:42:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2023-11-19 07:42:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:42:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:42:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:42:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:42:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2023-11-19 07:42:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2023-11-19 07:42:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2023-11-19 07:42:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2023-11-19 07:42:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:42:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:42:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:42:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:42:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2023-11-19 07:42:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2023-11-19 07:42:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2023-11-19 07:42:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2023-11-19 07:42:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-19 07:42:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-19 07:42:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2023-11-19 07:42:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2023-11-19 07:42:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2023-11-19 07:42:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2023-11-19 07:42:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:42:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:42:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2023-11-19 07:42:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2023-11-19 07:42:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:42:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2023-11-19 07:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2023-11-19 07:42:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:42:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2023-11-19 07:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2023-11-19 07:42:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 07:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 07:42:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:42:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2023-11-19 07:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2023-11-19 07:42:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-19 07:42:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-19 07:42:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-19 07:42:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-19 07:42:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-19 07:42:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-19 07:42:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2023-11-19 07:42:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2023-11-19 07:42:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-19 07:42:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-19 07:42:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2023-11-19 07:42:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2023-11-19 07:42:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-19 07:42:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-11-19 07:42:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:42:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2023-11-19 07:42:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2023-11-19 07:42:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:42:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:42:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-19 07:42:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-19 07:42:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2023-11-19 07:42:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2023-11-19 07:42:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:42:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:42:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2023-11-19 07:42:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2023-11-19 07:42:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-19 07:42:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-19 07:42:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-19 07:42:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-19 07:42:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2023-11-19 07:42:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2023-11-19 07:42:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:42:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:42:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:42:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:42:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:42:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:42:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2023-11-19 07:42:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2023-11-19 07:42:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:42:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:42:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-11-19 07:42:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-11-19 07:42:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2023-11-19 07:42:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2023-11-19 07:42:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2023-11-19 07:42:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2023-11-19 07:42:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2023-11-19 07:42:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2023-11-19 07:42:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-19 07:42:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-19 07:42:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2023-11-19 07:42:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2023-11-19 07:42:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2023-11-19 07:42:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2023-11-19 07:42:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2023-11-19 07:42:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2023-11-19 07:42:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:42:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:42:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-19 07:42:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-19 07:42:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2023-11-19 07:42:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2023-11-19 07:42:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-19 07:42:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-19 07:42:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2023-11-19 07:42:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2023-11-19 07:42:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2023-11-19 07:42:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2023-11-19 07:42:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:42:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:42:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:42:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-19 07:42:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-19 07:42:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2023-11-19 07:42:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2023-11-19 07:42:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:42:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:42:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2023-11-19 07:42:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2023-11-19 07:42:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-19 07:42:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-19 07:42:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2023-11-19 07:42:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2023-11-19 07:42:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2023-11-19 07:42:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2023-11-19 07:42:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-19 07:42:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-19 07:42:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-19 07:42:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-19 07:42:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2023-11-19 07:42:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2023-11-19 07:42:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2023-11-19 07:42:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2023-11-19 07:42:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2023-11-19 07:42:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2023-11-19 07:42:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 07:42:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 07:42:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2023-11-19 07:42:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2023-11-19 07:42:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2023-11-19 07:42:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2023-11-19 07:42:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-19 07:42:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-19 07:42:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-19 07:42:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-19 07:42:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2023-11-19 07:42:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2023-11-19 07:42:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2023-11-19 07:42:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2023-11-19 07:42:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:42:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:42:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2023-11-19 07:42:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2023-11-19 07:42:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:42:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:42:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-19 07:42:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-19 07:42:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:42:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:42:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2023-11-19 07:42:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2023-11-19 07:42:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 07:42:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 07:42:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2023-11-19 07:42:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2023-11-19 07:42:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2023-11-19 07:42:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2023-11-19 07:42:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2023-11-19 07:42:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2023-11-19 07:42:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:42:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:42:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-19 07:42:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-19 07:42:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 07:42:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 07:42:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:42:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:42:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2023-11-19 07:42:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2023-11-19 07:42:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2023-11-19 07:42:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2023-11-19 07:42:15,123 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:15,129 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:15,290 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:42:24,022 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:42:24,264 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:24,292 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:24,292 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 07:42:24,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:24 BoogieIcfgContainer [2023-11-19 07:42:24,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:24,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:24,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:24,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:24,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:06" (1/3) ... [2023-11-19 07:42:24,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551c495c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:24, skipping insertion in model container [2023-11-19 07:42:24,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:12" (2/3) ... [2023-11-19 07:42:24,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551c495c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:24, skipping insertion in model container [2023-11-19 07:42:24,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:24" (3/3) ... [2023-11-19 07:42:24,320 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-19 07:42:24,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:24,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 07:42:24,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:24,496 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@582dc441, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:24,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 07:42:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 3562 states, 2425 states have (on average 1.365360824742268) internal successors, (3311), 2474 states have internal predecessors, (3311), 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) [2023-11-19 07:42:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-19 07:42:24,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:24,575 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:24,575 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)] === [2023-11-19 07:42:24,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:24,583 INFO L85 PathProgramCache]: Analyzing trace with hash 401053357, now seen corresponding path program 1 times [2023-11-19 07:42:24,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:24,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048326311] [2023-11-19 07:42:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:24,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:42:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:42:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:42:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:42:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:42:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:42:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:42:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:42:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:42:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:42:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:42:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:42:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:42:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:42:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:42:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:42:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:42:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:42:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:42:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:42:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-19 07:42:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 07:42:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:42:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-19 07:42:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-19 07:42:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-19 07:42:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-19 07:42:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-19 07:42:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-19 07:42:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-19 07:42:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-19 07:42:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-19 07:42:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-19 07:42:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-19 07:42:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-11-19 07:42:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-11-19 07:42:26,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:26,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048326311] [2023-11-19 07:42:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048326311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:26,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:26,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:26,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845027394] [2023-11-19 07:42:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:26,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:26,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:26,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:26,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:26,707 INFO L87 Difference]: Start difference. First operand has 3562 states, 2425 states have (on average 1.365360824742268) internal successors, (3311), 2474 states have internal predecessors, (3311), 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 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-19 07:42:39,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:39,392 INFO L93 Difference]: Finished difference Result 11210 states and 17128 transitions. [2023-11-19 07:42:39,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:42:39,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 3 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 406 [2023-11-19 07:42:39,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:39,499 INFO L225 Difference]: With dead ends: 11210 [2023-11-19 07:42:39,499 INFO L226 Difference]: Without dead ends: 7710 [2023-11-19 07:42:39,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:39,543 INFO L413 NwaCegarLoop]: 3644 mSDtfsCounter, 7553 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 4295 mSolverCounterSat, 3005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8440 SdHoareTripleChecker+Valid, 8797 SdHoareTripleChecker+Invalid, 7300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3005 IncrementalHoareTripleChecker+Valid, 4295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:39,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8440 Valid, 8797 Invalid, 7300 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3005 Valid, 4295 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-11-19 07:42:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7710 states. [2023-11-19 07:42:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7710 to 6786. [2023-11-19 07:42:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6786 states, 4628 states have (on average 1.3457216940363008) internal successors, (6228), 4729 states have internal predecessors, (6228), 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) [2023-11-19 07:42:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6786 states to 6786 states and 9852 transitions. [2023-11-19 07:42:40,269 INFO L78 Accepts]: Start accepts. Automaton has 6786 states and 9852 transitions. Word has length 406 [2023-11-19 07:42:40,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:40,272 INFO L495 AbstractCegarLoop]: Abstraction has 6786 states and 9852 transitions. [2023-11-19 07:42:40,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-19 07:42:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 6786 states and 9852 transitions. [2023-11-19 07:42:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2023-11-19 07:42:40,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:40,289 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:40,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:40,289 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)] === [2023-11-19 07:42:40,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:40,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1948170813, now seen corresponding path program 1 times [2023-11-19 07:42:40,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:40,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788858079] [2023-11-19 07:42:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:40,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:42:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:42:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:42:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:42:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:42:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:42:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:42:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:42:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:42:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:42:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:42:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:42:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:42:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:42:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:42:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:42:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:42:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:42:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:42:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:42:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-19 07:42:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 07:42:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:42:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-19 07:42:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-19 07:42:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-19 07:42:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-19 07:42:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-19 07:42:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-19 07:42:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-19 07:42:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-19 07:42:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-19 07:42:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-19 07:42:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-19 07:42:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2023-11-19 07:42:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-19 07:42:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-11-19 07:42:41,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:41,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788858079] [2023-11-19 07:42:41,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788858079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:41,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:41,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:41,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763198283] [2023-11-19 07:42:41,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:41,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:41,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:41,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:41,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:41,583 INFO L87 Difference]: Start difference. First operand 6786 states and 9852 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38)