./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/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_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:11:41,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:41,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:11:41,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:41,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:41,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:41,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:41,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:41,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:41,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:41,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:41,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:41,147 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:41,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:41,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:41,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:11:41,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:41,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:41,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:41,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:41,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:41,152 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:41,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:41,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:41,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:41,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:41,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:41,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:41,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:41,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:11:41,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:11:41,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:41,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:41,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:41,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:41,158 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:41,159 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_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2023-11-12 02:11:41,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:41,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:41,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:41,488 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:41,489 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:41,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-12 02:11:44,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:45,594 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:45,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-12 02:11:45,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/data/6dbdf3f44/5ec08277ca374f9cabbce147c26af04f/FLAGe743bbe12 [2023-11-12 02:11:45,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/data/6dbdf3f44/5ec08277ca374f9cabbce147c26af04f [2023-11-12 02:11:45,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:45,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:45,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:45,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:45,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:45,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:45" (1/1) ... [2023-11-12 02:11:45,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9e2fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:45, skipping insertion in model container [2023-11-12 02:11:45,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:45" (1/1) ... [2023-11-12 02:11:46,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:51,130 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-12 02:11:51,134 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-12 02:11:51,135 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-12 02:11:51,136 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-12 02:11:51,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:51,188 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:51,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7804] [2023-11-12 02:11:51,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2023-11-12 02:11:51,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2023-11-12 02:11:51,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2023-11-12 02:11:51,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2023-11-12 02:11:51,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2023-11-12 02:11:51,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2023-11-12 02:11:51,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [7926-7927] [2023-11-12 02:11:51,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7930-7931] [2023-11-12 02:11:51,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7934-7935] [2023-11-12 02:11:51,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7938-7939] [2023-11-12 02:11:51,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2023-11-12 02:11:51,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2023-11-12 02:11:51,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2023-11-12 02:11:51,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2023-11-12 02:11:51,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2023-11-12 02:11:51,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2023-11-12 02:11:51,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2023-11-12 02:11:51,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2023-11-12 02:11:51,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2023-11-12 02:11:51,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2023-11-12 02:11:51,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2023-11-12 02:11:51,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2023-11-12 02:11:51,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2023-11-12 02:11:51,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2023-11-12 02:11:51,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2023-11-12 02:11:51,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2023-11-12 02:11:51,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2023-11-12 02:11:51,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2023-11-12 02:11:51,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2023-11-12 02:11:51,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2023-11-12 02:11:51,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2023-11-12 02:11:51,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2023-11-12 02:11:51,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2023-11-12 02:11:51,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2023-11-12 02:11:51,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2023-11-12 02:11:51,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2023-11-12 02:11:51,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2023-11-12 02:11:51,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2023-11-12 02:11:51,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/highmem.h"), "i" (198), "i" (12UL)); [8592-8593] [2023-11-12 02:11:51,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8832-8833] [2023-11-12 02:11:51,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8842-8843] [2023-11-12 02:11:51,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [8856-8857] [2023-11-12 02:11:51,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/blocklayout.c"), "i" (368), "i" (12UL)); [9564-9565] [2023-11-12 02:11:51,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/blocklayout.c"), "i" (372), "i" (12UL)); [9581-9582] [2023-11-12 02:11:51,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/blocklayout.c"), "i" (593), "i" (12UL)); [10000-10001] [2023-11-12 02:11:51,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/extents.c"), "i" (907), "i" (12UL)); [15609-15610] [2023-11-12 02:11:51,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [16016-16017] [2023-11-12 02:11:51,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [16023-16024] [2023-11-12 02:11:51,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___9->state): : "memory", "cc"); [16030-16031] [2023-11-12 02:11:51,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [16037-16038] [2023-11-12 02:11:51,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2023-11-12 02:11:51,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2023-11-12 02:11:51,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2023-11-12 02:11:51,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2023-11-12 02:11:51,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2023-11-12 02:11:51,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2023-11-12 02:11:51,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2023-11-12 02:11:51,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2023-11-12 02:11:51,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2023-11-12 02:11:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2023-11-12 02:11:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2023-11-12 02:11:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2023-11-12 02:11:51,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2023-11-12 02:11:51,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2023-11-12 02:11:51,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2023-11-12 02:11:51,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2023-11-12 02:11:51,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2023-11-12 02:11:51,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2023-11-12 02:11:51,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2023-11-12 02:11:51,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2023-11-12 02:11:51,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2023-11-12 02:11:51,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2023-11-12 02:11:51,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2023-11-12 02:11:51,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2023-11-12 02:11:51,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2023-11-12 02:11:51,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2023-11-12 02:11:51,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16785-16786] [2023-11-12 02:11:51,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16795-16796] [2023-11-12 02:11:51,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [16809-16810] [2023-11-12 02:11:51,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [16907-16908] [2023-11-12 02:11:51,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [16914-16915] [2023-11-12 02:11:51,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [16921-16922] [2023-11-12 02:11:51,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [16928-16929] [2023-11-12 02:11:51,656 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-12 02:11:51,657 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-12 02:11:51,658 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-12 02:11:51,658 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_e23f718f-d66e-48c3-87a3-5258d78c31be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-12 02:11:51,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:51,918 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:11:51,918 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:11:51,919 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:11:51,919 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:11:51,927 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:51,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51 WrapperNode [2023-11-12 02:11:51,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:51,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:51,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:51,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:51,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,390 INFO L138 Inliner]: procedures = 584, calls = 2610, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 7857 [2023-11-12 02:11:52,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:52,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:52,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:52,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:52,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:52,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:52,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:52,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:52,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (1/1) ... [2023-11-12 02:11:52,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:52,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:52,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23f718f-d66e-48c3-87a3-5258d78c31be/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2023-11-12 02:11:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2023-11-12 02:11:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 02:11:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-12 02:11:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-12 02:11:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:11:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:11:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2023-11-12 02:11:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2023-11-12 02:11:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2023-11-12 02:11:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2023-11-12 02:11:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-12 02:11:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-12 02:11:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 02:11:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 02:11:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2023-11-12 02:11:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2023-11-12 02:11:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:11:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:11:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2023-11-12 02:11:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2023-11-12 02:11:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:11:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:11:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2023-11-12 02:11:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2023-11-12 02:11:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2023-11-12 02:11:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2023-11-12 02:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2023-11-12 02:11:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2023-11-12 02:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2023-11-12 02:11:52,943 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2023-11-12 02:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2023-11-12 02:11:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2023-11-12 02:11:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 02:11:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 02:11:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-12 02:11:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-12 02:11:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:11:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:11:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:11:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-12 02:11:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-12 02:11:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2023-11-12 02:11:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2023-11-12 02:11:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-12 02:11:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-12 02:11:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:11:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:11:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2023-11-12 02:11:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2023-11-12 02:11:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 02:11:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:11:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:11:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2023-11-12 02:11:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2023-11-12 02:11:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:11:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2023-11-12 02:11:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2023-11-12 02:11:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2023-11-12 02:11:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2023-11-12 02:11:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 02:11:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 02:11:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:11:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:11:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2023-11-12 02:11:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2023-11-12 02:11:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:11:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:11:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 02:11:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 02:11:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:11:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:11:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:11:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2023-11-12 02:11:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2023-11-12 02:11:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2023-11-12 02:11:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2023-11-12 02:11:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:11:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:11:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2023-11-12 02:11:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2023-11-12 02:11:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:11:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:11:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:11:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2023-11-12 02:11:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2023-11-12 02:11:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 02:11:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 02:11:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:11:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2023-11-12 02:11:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2023-11-12 02:11:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2023-11-12 02:11:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2023-11-12 02:11:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:11:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:11:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2023-11-12 02:11:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2023-11-12 02:11:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2023-11-12 02:11:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2023-11-12 02:11:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 02:11:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 02:11:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-12 02:11:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-12 02:11:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2023-11-12 02:11:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2023-11-12 02:11:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 02:11:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 02:11:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2023-11-12 02:11:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2023-11-12 02:11:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 02:11:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 02:11:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-12 02:11:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-12 02:11:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2023-11-12 02:11:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2023-11-12 02:11:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:11:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:11:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:11:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:11:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:11:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:11:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:11:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 02:11:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 02:11:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 02:11:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 02:11:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-12 02:11:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-12 02:11:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:11:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:11:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:11:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2023-11-12 02:11:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2023-11-12 02:11:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:11:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2023-11-12 02:11:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2023-11-12 02:11:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:11:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:11:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2023-11-12 02:11:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2023-11-12 02:11:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2023-11-12 02:11:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2023-11-12 02:11:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2023-11-12 02:11:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2023-11-12 02:11:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 02:11:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 02:11:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-12 02:11:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-12 02:11:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:11:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:11:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:11:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:11:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2023-11-12 02:11:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2023-11-12 02:11:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2023-11-12 02:11:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2023-11-12 02:11:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2023-11-12 02:11:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2023-11-12 02:11:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2023-11-12 02:11:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2023-11-12 02:11:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2023-11-12 02:11:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2023-11-12 02:11:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:11:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:11:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2023-11-12 02:11:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2023-11-12 02:11:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:11:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:11:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 02:11:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 02:11:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2023-11-12 02:11:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2023-11-12 02:11:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 02:11:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 02:11:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-12 02:11:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-12 02:11:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2023-11-12 02:11:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2023-11-12 02:11:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:11:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:11:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:11:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:11:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2023-11-12 02:11:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2023-11-12 02:11:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2023-11-12 02:11:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2023-11-12 02:11:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:11:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:11:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:11:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:11:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2023-11-12 02:11:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2023-11-12 02:11:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2023-11-12 02:11:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2023-11-12 02:11:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-12 02:11:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-12 02:11:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2023-11-12 02:11:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2023-11-12 02:11:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2023-11-12 02:11:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2023-11-12 02:11:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 02:11:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 02:11:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2023-11-12 02:11:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2023-11-12 02:11:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:11:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:11:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2023-11-12 02:11:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2023-11-12 02:11:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 02:11:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 02:11:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2023-11-12 02:11:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2023-11-12 02:11:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-12 02:11:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-12 02:11:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:11:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:11:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:11:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2023-11-12 02:11:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2023-11-12 02:11:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-12 02:11:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-12 02:11:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:11:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-12 02:11:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-12 02:11:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-12 02:11:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-12 02:11:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2023-11-12 02:11:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2023-11-12 02:11:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-12 02:11:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-12 02:11:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2023-11-12 02:11:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2023-11-12 02:11:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-12 02:11:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-11-12 02:11:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:11:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2023-11-12 02:11:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2023-11-12 02:11:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:11:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:11:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-12 02:11:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-12 02:11:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2023-11-12 02:11:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2023-11-12 02:11:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:11:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:11:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2023-11-12 02:11:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2023-11-12 02:11:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-12 02:11:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-12 02:11:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-12 02:11:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-12 02:11:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2023-11-12 02:11:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2023-11-12 02:11:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:11:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:11:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:11:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:11:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:11:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:11:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2023-11-12 02:11:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2023-11-12 02:11:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 02:11:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 02:11:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-11-12 02:11:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-11-12 02:11:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2023-11-12 02:11:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2023-11-12 02:11:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2023-11-12 02:11:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2023-11-12 02:11:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2023-11-12 02:11:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2023-11-12 02:11:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-12 02:11:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-12 02:11:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2023-11-12 02:11:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2023-11-12 02:11:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2023-11-12 02:11:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2023-11-12 02:11:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2023-11-12 02:11:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2023-11-12 02:11:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:11:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:11:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-12 02:11:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-12 02:11:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2023-11-12 02:11:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2023-11-12 02:11:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-12 02:11:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-12 02:11:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2023-11-12 02:11:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2023-11-12 02:11:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2023-11-12 02:11:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2023-11-12 02:11:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:11:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:11:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:11:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-12 02:11:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-12 02:11:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2023-11-12 02:11:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2023-11-12 02:11:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:11:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:11:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2023-11-12 02:11:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2023-11-12 02:11:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-12 02:11:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-12 02:11:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2023-11-12 02:11:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2023-11-12 02:11:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2023-11-12 02:11:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2023-11-12 02:11:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-12 02:11:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-12 02:11:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-12 02:11:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-12 02:11:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2023-11-12 02:11:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2023-11-12 02:11:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2023-11-12 02:11:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2023-11-12 02:11:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2023-11-12 02:11:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2023-11-12 02:11:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 02:11:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 02:11:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2023-11-12 02:11:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2023-11-12 02:11:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2023-11-12 02:11:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2023-11-12 02:11:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-12 02:11:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-12 02:11:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-12 02:11:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-12 02:11:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2023-11-12 02:11:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2023-11-12 02:11:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2023-11-12 02:11:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2023-11-12 02:11:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 02:11:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 02:11:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2023-11-12 02:11:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2023-11-12 02:11:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:11:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:11:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-12 02:11:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-12 02:11:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:11:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:11:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2023-11-12 02:11:53,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2023-11-12 02:11:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 02:11:53,034 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 02:11:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2023-11-12 02:11:53,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2023-11-12 02:11:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2023-11-12 02:11:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2023-11-12 02:11:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2023-11-12 02:11:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2023-11-12 02:11:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:11:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:11:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-12 02:11:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-12 02:11:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 02:11:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 02:11:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:11:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:11:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:11:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2023-11-12 02:11:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2023-11-12 02:11:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2023-11-12 02:11:53,038 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2023-11-12 02:11:54,327 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:54,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:54,572 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:12:03,375 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:12:03,584 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:12:03,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:12:03,624 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 02:12:03,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:03 BoogieIcfgContainer [2023-11-12 02:12:03,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:12:03,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:12:03,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:12:03,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:12:03,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:45" (1/3) ... [2023-11-12 02:12:03,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443e52a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:03, skipping insertion in model container [2023-11-12 02:12:03,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:51" (2/3) ... [2023-11-12 02:12:03,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443e52a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:03, skipping insertion in model container [2023-11-12 02:12:03,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:03" (3/3) ... [2023-11-12 02:12:03,643 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-12 02:12:03,667 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:12:03,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 02:12:03,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:12:03,834 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;@45344d02, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:12:03,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 02:12:03,856 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) [2023-11-12 02:12:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-12 02:12:03,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:12:03,911 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] [2023-11-12 02:12:03,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:12:03,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash 401053357, now seen corresponding path program 1 times [2023-11-12 02:12:03,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:03,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629091256] [2023-11-12 02:12:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:12:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:12:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:12:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:12:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:12:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:12:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:12:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:12:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:12:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:12:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:12:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:12:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:12:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:12:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:12:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-12 02:12:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-12 02:12:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:12:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-12 02:12:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-12 02:12:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-12 02:12:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-12 02:12:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:12:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-12 02:12:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-12 02:12:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-12 02:12:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-12 02:12:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:12:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-12 02:12:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-12 02:12:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-12 02:12:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-12 02:12:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-12 02:12:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-12 02:12:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-12 02:12:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-11-12 02:12:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-11-12 02:12:06,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:06,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629091256] [2023-11-12 02:12:06,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629091256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:06,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:06,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:12:06,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927061125] [2023-11-12 02:12:06,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:06,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:12:06,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:06,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:12:06,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:12:06,507 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) [2023-11-12 02:12:20,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:12:20,094 INFO L93 Difference]: Finished difference Result 11210 states and 17128 transitions. [2023-11-12 02:12:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:12:20,097 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 [2023-11-12 02:12:20,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:12:20,201 INFO L225 Difference]: With dead ends: 11210 [2023-11-12 02:12:20,201 INFO L226 Difference]: Without dead ends: 7710 [2023-11-12 02:12:20,243 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 [2023-11-12 02:12:20,247 INFO L413 NwaCegarLoop]: 3638 mSDtfsCounter, 7569 mSDsluCounter, 5115 mSDsCounter, 0 mSdLazyCounter, 4283 mSolverCounterSat, 3016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8447 SdHoareTripleChecker+Valid, 8753 SdHoareTripleChecker+Invalid, 7299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3016 IncrementalHoareTripleChecker+Valid, 4283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:12:20,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8447 Valid, 8753 Invalid, 7299 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3016 Valid, 4283 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-11-12 02:12:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7710 states. [2023-11-12 02:12:20,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7710 to 6786. [2023-11-12 02:12:20,905 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) [2023-11-12 02:12:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6786 states to 6786 states and 9852 transitions. [2023-11-12 02:12:20,967 INFO L78 Accepts]: Start accepts. Automaton has 6786 states and 9852 transitions. Word has length 406 [2023-11-12 02:12:20,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:12:20,970 INFO L495 AbstractCegarLoop]: Abstraction has 6786 states and 9852 transitions. [2023-11-12 02:12:20,970 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) [2023-11-12 02:12:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6786 states and 9852 transitions. [2023-11-12 02:12:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2023-11-12 02:12:20,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:12:20,984 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] [2023-11-12 02:12:20,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:12:20,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:12:20,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:20,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1948170813, now seen corresponding path program 1 times [2023-11-12 02:12:20,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:20,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149118683] [2023-11-12 02:12:20,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:12:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:12:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:12:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:12:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:12:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:12:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:12:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:12:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:12:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:12:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:12:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:12:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:12:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:12:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:12:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-12 02:12:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-12 02:12:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:12:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-12 02:12:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-12 02:12:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-12 02:12:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-12 02:12:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:12:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-12 02:12:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-12 02:12:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-12 02:12:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-12 02:12:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:12:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-12 02:12:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-12 02:12:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-12 02:12:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-12 02:12:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-12 02:12:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-12 02:12:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-12 02:12:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2023-11-12 02:12:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-12 02:12:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-11-12 02:12:22,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:22,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149118683] [2023-11-12 02:12:22,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149118683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:22,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:22,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:12:22,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203999553] [2023-11-12 02:12:22,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:22,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:12:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:22,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:12:22,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:12:22,442 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)