./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:38,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:38,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:10:38,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:38,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:38,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:38,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:38,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:38,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:38,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:38,971 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:38,971 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:38,972 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:38,973 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:10:38,974 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:38,974 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:38,975 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:10:38,976 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:10:38,976 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:38,977 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:10:38,978 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:10:38,979 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:10:38,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:38,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:38,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:10:38,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:38,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:38,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:38,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:38,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:38,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:38,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:38,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:38,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:38,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:38,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:38,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:38,991 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:10:38,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:10:38,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:38,992 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:38,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:38,994 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2023-11-19 05:10:39,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:39,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:39,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:39,399 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:39,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:39,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-19 05:10:42,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:43,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:43,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-19 05:10:43,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/data/8c183ad4c/da6a657dd2574eba89c0bc38e05a995a/FLAGdee49ddc3 [2023-11-19 05:10:43,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/data/8c183ad4c/da6a657dd2574eba89c0bc38e05a995a [2023-11-19 05:10:43,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:43,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:43,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:43,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:43,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:43,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:43" (1/1) ... [2023-11-19 05:10:43,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6636dd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:43, skipping insertion in model container [2023-11-19 05:10:43,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:43" (1/1) ... [2023-11-19 05:10:44,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:49,302 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-19 05:10:49,309 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-19 05:10:49,315 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-19 05:10:49,316 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-19 05:10:49,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:49,370 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:10:49,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7804] [2023-11-19 05:10:49,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2023-11-19 05:10:49,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2023-11-19 05:10:49,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2023-11-19 05:10:49,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2023-11-19 05:10:49,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2023-11-19 05:10:49,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2023-11-19 05:10:49,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [7926-7927] [2023-11-19 05:10:49,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7930-7931] [2023-11-19 05:10:49,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7934-7935] [2023-11-19 05:10:49,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7938-7939] [2023-11-19 05:10:49,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2023-11-19 05:10:49,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2023-11-19 05:10:49,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2023-11-19 05:10:49,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2023-11-19 05:10:49,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2023-11-19 05:10:49,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2023-11-19 05:10:49,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2023-11-19 05:10:49,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2023-11-19 05:10:49,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2023-11-19 05:10:49,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2023-11-19 05:10:49,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2023-11-19 05:10:49,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2023-11-19 05:10:49,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2023-11-19 05:10:49,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2023-11-19 05:10:49,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2023-11-19 05:10:49,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2023-11-19 05:10:49,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2023-11-19 05:10:49,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2023-11-19 05:10:49,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2023-11-19 05:10:49,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2023-11-19 05:10:49,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2023-11-19 05:10:49,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2023-11-19 05:10:49,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2023-11-19 05:10:49,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2023-11-19 05:10:49,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2023-11-19 05:10:49,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2023-11-19 05:10:49,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2023-11-19 05:10:49,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2023-11-19 05:10:49,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/highmem.h"), "i" (198), "i" (12UL)); [8592-8593] [2023-11-19 05:10:49,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8832-8833] [2023-11-19 05:10:49,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8842-8843] [2023-11-19 05:10:49,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [8856-8857] [2023-11-19 05:10:49,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/blocklayout.c"), "i" (368), "i" (12UL)); [9564-9565] [2023-11-19 05:10:49,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/blocklayout.c"), "i" (372), "i" (12UL)); [9581-9582] [2023-11-19 05:10:49,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/blocklayout.c"), "i" (593), "i" (12UL)); [10000-10001] [2023-11-19 05:10:49,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/blocklayout/extents.c"), "i" (907), "i" (12UL)); [15609-15610] [2023-11-19 05:10:49,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [16016-16017] [2023-11-19 05:10:49,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [16023-16024] [2023-11-19 05:10:49,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___9->state): : "memory", "cc"); [16030-16031] [2023-11-19 05:10:49,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [16037-16038] [2023-11-19 05:10:49,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2023-11-19 05:10:49,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2023-11-19 05:10:49,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2023-11-19 05:10:49,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2023-11-19 05:10:49,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2023-11-19 05:10:49,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2023-11-19 05:10:49,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2023-11-19 05:10:49,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2023-11-19 05:10:49,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2023-11-19 05:10:49,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2023-11-19 05:10:49,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2023-11-19 05:10:49,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2023-11-19 05:10:49,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2023-11-19 05:10:49,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2023-11-19 05:10:49,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2023-11-19 05:10:49,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2023-11-19 05:10:49,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2023-11-19 05:10:49,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2023-11-19 05:10:49,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2023-11-19 05:10:49,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2023-11-19 05:10:49,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2023-11-19 05:10:49,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2023-11-19 05:10:49,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2023-11-19 05:10:49,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2023-11-19 05:10:49,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2023-11-19 05:10:49,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2023-11-19 05:10:49,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16785-16786] [2023-11-19 05:10:49,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16795-16796] [2023-11-19 05:10:49,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [16809-16810] [2023-11-19 05:10:49,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [16907-16908] [2023-11-19 05:10:49,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [16914-16915] [2023-11-19 05:10:49,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [16921-16922] [2023-11-19 05:10:49,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [16928-16929] [2023-11-19 05:10:49,885 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-19 05:10:49,886 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-19 05:10:49,886 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-19 05:10:49,887 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_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-19 05:10:49,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:50,194 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,194 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,194 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,194 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,202 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:10:50,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50 WrapperNode [2023-11-19 05:10:50,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:50,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:50,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:10:50,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:10:50,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,695 INFO L138 Inliner]: procedures = 584, calls = 2610, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 7857 [2023-11-19 05:10:50,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:50,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:10:50,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:10:50,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:10:50,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:50,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:10:51,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:10:51,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:10:51,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:10:51,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:51,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:10:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2023-11-19 05:10:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2023-11-19 05:10:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 05:10:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-19 05:10:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-19 05:10:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:10:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:10:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2023-11-19 05:10:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2023-11-19 05:10:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2023-11-19 05:10:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2023-11-19 05:10:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 05:10:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 05:10:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:10:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:10:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2023-11-19 05:10:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2023-11-19 05:10:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:10:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:10:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2023-11-19 05:10:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2023-11-19 05:10:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:10:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:10:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2023-11-19 05:10:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2023-11-19 05:10:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2023-11-19 05:10:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2023-11-19 05:10:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2023-11-19 05:10:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2023-11-19 05:10:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2023-11-19 05:10:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2023-11-19 05:10:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2023-11-19 05:10:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2023-11-19 05:10:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:10:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:10:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-19 05:10:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-19 05:10:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:10:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:10:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:10:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-19 05:10:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-19 05:10:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2023-11-19 05:10:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2023-11-19 05:10:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 05:10:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 05:10:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:10:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:10:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2023-11-19 05:10:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2023-11-19 05:10:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 05:10:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:10:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:10:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2023-11-19 05:10:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2023-11-19 05:10:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:10:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2023-11-19 05:10:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2023-11-19 05:10:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2023-11-19 05:10:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2023-11-19 05:10:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:10:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:10:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:10:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:10:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2023-11-19 05:10:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2023-11-19 05:10:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:10:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:10:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 05:10:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 05:10:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:10:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 05:10:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 05:10:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2023-11-19 05:10:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2023-11-19 05:10:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2023-11-19 05:10:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2023-11-19 05:10:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:10:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:10:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2023-11-19 05:10:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2023-11-19 05:10:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:10:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:10:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:10:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2023-11-19 05:10:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2023-11-19 05:10:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 05:10:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 05:10:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:10:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2023-11-19 05:10:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2023-11-19 05:10:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2023-11-19 05:10:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2023-11-19 05:10:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:10:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:10:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2023-11-19 05:10:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2023-11-19 05:10:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2023-11-19 05:10:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2023-11-19 05:10:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 05:10:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 05:10:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-19 05:10:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-19 05:10:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2023-11-19 05:10:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2023-11-19 05:10:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 05:10:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 05:10:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2023-11-19 05:10:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2023-11-19 05:10:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 05:10:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 05:10:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 05:10:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 05:10:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2023-11-19 05:10:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2023-11-19 05:10:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:10:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:10:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:10:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:10:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:10:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:10:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:10:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:10:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:10:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 05:10:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 05:10:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:10:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-19 05:10:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-19 05:10:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:10:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:10:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:10:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2023-11-19 05:10:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2023-11-19 05:10:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:10:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2023-11-19 05:10:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2023-11-19 05:10:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:10:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:10:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2023-11-19 05:10:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2023-11-19 05:10:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2023-11-19 05:10:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2023-11-19 05:10:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2023-11-19 05:10:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2023-11-19 05:10:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 05:10:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 05:10:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-19 05:10:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-19 05:10:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 05:10:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 05:10:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:10:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:10:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2023-11-19 05:10:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2023-11-19 05:10:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2023-11-19 05:10:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2023-11-19 05:10:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2023-11-19 05:10:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2023-11-19 05:10:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2023-11-19 05:10:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2023-11-19 05:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2023-11-19 05:10:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2023-11-19 05:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:10:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2023-11-19 05:10:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2023-11-19 05:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:10:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:10:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:10:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:10:51,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe77b3-3d3b-4d97-bf89-7bf610669ffb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:10:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:10:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2023-11-19 05:10:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2023-11-19 05:10:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 05:10:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 05:10:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-19 05:10:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-19 05:10:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2023-11-19 05:10:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2023-11-19 05:10:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:10:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:10:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:10:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:10:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2023-11-19 05:10:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2023-11-19 05:10:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2023-11-19 05:10:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2023-11-19 05:10:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:10:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:10:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:10:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:10:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2023-11-19 05:10:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2023-11-19 05:10:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2023-11-19 05:10:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2023-11-19 05:10:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-19 05:10:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-19 05:10:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2023-11-19 05:10:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2023-11-19 05:10:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2023-11-19 05:10:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2023-11-19 05:10:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:10:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:10:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2023-11-19 05:10:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2023-11-19 05:10:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:10:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:10:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2023-11-19 05:10:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2023-11-19 05:10:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 05:10:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 05:10:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2023-11-19 05:10:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2023-11-19 05:10:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:10:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:10:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:10:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:10:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:10:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2023-11-19 05:10:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2023-11-19 05:10:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-19 05:10:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-19 05:10:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:10:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-19 05:10:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-19 05:10:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-19 05:10:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-19 05:10:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2023-11-19 05:10:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2023-11-19 05:10:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-19 05:10:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-19 05:10:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2023-11-19 05:10:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2023-11-19 05:10:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-19 05:10:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-11-19 05:10:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:10:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2023-11-19 05:10:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2023-11-19 05:10:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:10:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:10:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-19 05:10:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-19 05:10:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2023-11-19 05:10:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2023-11-19 05:10:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:10:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:10:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2023-11-19 05:10:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2023-11-19 05:10:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-19 05:10:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-19 05:10:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-19 05:10:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-19 05:10:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2023-11-19 05:10:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2023-11-19 05:10:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:10:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:10:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 05:10:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 05:10:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:10:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:10:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2023-11-19 05:10:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2023-11-19 05:10:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:10:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:10:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-11-19 05:10:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-11-19 05:10:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2023-11-19 05:10:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2023-11-19 05:10:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2023-11-19 05:10:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2023-11-19 05:10:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2023-11-19 05:10:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2023-11-19 05:10:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-19 05:10:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-19 05:10:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2023-11-19 05:10:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2023-11-19 05:10:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2023-11-19 05:10:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2023-11-19 05:10:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2023-11-19 05:10:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2023-11-19 05:10:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:10:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:10:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-19 05:10:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-19 05:10:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2023-11-19 05:10:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2023-11-19 05:10:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-19 05:10:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-19 05:10:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2023-11-19 05:10:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2023-11-19 05:10:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2023-11-19 05:10:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2023-11-19 05:10:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:10:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:10:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:10:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-19 05:10:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-19 05:10:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2023-11-19 05:10:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2023-11-19 05:10:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:10:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:10:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2023-11-19 05:10:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2023-11-19 05:10:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-19 05:10:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-19 05:10:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2023-11-19 05:10:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2023-11-19 05:10:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2023-11-19 05:10:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2023-11-19 05:10:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-19 05:10:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-19 05:10:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-19 05:10:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-19 05:10:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2023-11-19 05:10:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2023-11-19 05:10:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2023-11-19 05:10:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2023-11-19 05:10:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2023-11-19 05:10:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2023-11-19 05:10:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 05:10:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 05:10:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2023-11-19 05:10:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2023-11-19 05:10:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2023-11-19 05:10:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2023-11-19 05:10:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-19 05:10:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-19 05:10:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-19 05:10:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-19 05:10:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2023-11-19 05:10:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2023-11-19 05:10:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2023-11-19 05:10:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2023-11-19 05:10:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:10:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:10:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2023-11-19 05:10:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2023-11-19 05:10:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:10:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:10:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-19 05:10:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-19 05:10:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:10:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:10:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2023-11-19 05:10:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2023-11-19 05:10:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 05:10:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 05:10:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2023-11-19 05:10:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2023-11-19 05:10:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2023-11-19 05:10:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2023-11-19 05:10:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2023-11-19 05:10:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2023-11-19 05:10:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:10:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:10:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-19 05:10:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-19 05:10:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 05:10:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 05:10:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:10:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:10:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:10:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2023-11-19 05:10:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2023-11-19 05:10:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2023-11-19 05:10:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2023-11-19 05:10:52,318 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:10:52,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:52,511 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:11:00,942 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:11:01,165 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:11:06,057 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:11:06,058 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 05:11:06,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:06 BoogieIcfgContainer [2023-11-19 05:11:06,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:11:06,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:11:06,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:11:06,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:11:06,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:10:43" (1/3) ... [2023-11-19 05:11:06,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2dd342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:06, skipping insertion in model container [2023-11-19 05:11:06,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (2/3) ... [2023-11-19 05:11:06,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2dd342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:06, skipping insertion in model container [2023-11-19 05:11:06,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:06" (3/3) ... [2023-11-19 05:11:06,098 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-19 05:11:06,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:11:06,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:11:06,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:11:06,357 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@728af58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:11:06,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:11:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 2799 states, 1662 states have (on average 1.299037304452467) internal successors, (2159), 1711 states have internal predecessors, (2159), 963 states have call successors, (963), 174 states have call predecessors, (963), 173 states have return successors, (956), 941 states have call predecessors, (956), 956 states have call successors, (956) [2023-11-19 05:11:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-11-19 05:11:06,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:06,439 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:06,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 05:11:06,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:06,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1684623593, now seen corresponding path program 1 times [2023-11-19 05:11:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:06,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693349977] [2023-11-19 05:11:06,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:06,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-19 05:11:07,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:07,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693349977] [2023-11-19 05:11:07,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693349977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:07,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:07,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:11:07,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912031569] [2023-11-19 05:11:07,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:07,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:07,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:07,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:11:07,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:07,949 INFO L87 Difference]: Start difference. First operand has 2799 states, 1662 states have (on average 1.299037304452467) internal successors, (2159), 1711 states have internal predecessors, (2159), 963 states have call successors, (963), 174 states have call predecessors, (963), 173 states have return successors, (956), 941 states have call predecessors, (956), 956 states have call successors, (956) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-19 05:11:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:11,482 INFO L93 Difference]: Finished difference Result 8115 states and 12102 transitions. [2023-11-19 05:11:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:11:11,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 365 [2023-11-19 05:11:11,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:11,574 INFO L225 Difference]: With dead ends: 8115 [2023-11-19 05:11:11,574 INFO L226 Difference]: Without dead ends: 5374 [2023-11-19 05:11:11,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:11,615 INFO L413 NwaCegarLoop]: 3587 mSDtfsCounter, 3811 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 7103 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:11,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 7103 Invalid, 957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 05:11:11,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2023-11-19 05:11:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5370. [2023-11-19 05:11:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5370 states, 3212 states have (on average 1.293897882938979) internal successors, (4156), 3313 states have internal predecessors, (4156), 1814 states have call successors, (1814), 342 states have call predecessors, (1814), 341 states have return successors, (1810), 1780 states have call predecessors, (1810), 1810 states have call successors, (1810) [2023-11-19 05:11:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 5370 states and 7780 transitions. [2023-11-19 05:11:12,335 INFO L78 Accepts]: Start accepts. Automaton has 5370 states and 7780 transitions. Word has length 365 [2023-11-19 05:11:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:12,340 INFO L495 AbstractCegarLoop]: Abstraction has 5370 states and 7780 transitions. [2023-11-19 05:11:12,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-19 05:11:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 5370 states and 7780 transitions. [2023-11-19 05:11:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-11-19 05:11:12,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:12,359 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:12,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:11:12,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 05:11:12,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:12,360 INFO L85 PathProgramCache]: Analyzing trace with hash -764470149, now seen corresponding path program 1 times [2023-11-19 05:11:12,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:12,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138705577] [2023-11-19 05:11:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-19 05:11:12,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138705577] [2023-11-19 05:11:12,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138705577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:12,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:12,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:11:12,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208295461] [2023-11-19 05:11:12,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:12,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:12,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:12,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:11:12,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:12,832 INFO L87 Difference]: Start difference. First operand 5370 states and 7780 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 05:11:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:16,386 INFO L93 Difference]: Finished difference Result 13271 states and 19197 transitions. [2023-11-19 05:11:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:11:16,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 379 [2023-11-19 05:11:16,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:16,477 INFO L225 Difference]: With dead ends: 13271 [2023-11-19 05:11:16,477 INFO L226 Difference]: Without dead ends: 7970 [2023-11-19 05:11:16,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:16,516 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 3807 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 7101 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:16,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 7101 Invalid, 968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 05:11:16,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2023-11-19 05:11:17,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 7937. [2023-11-19 05:11:17,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7937 states, 4747 states have (on average 1.2907099220560354) internal successors, (6127), 4897 states have internal predecessors, (6127), 2670 states have call successors, (2670), 518 states have call predecessors, (2670), 517 states have return successors, (2666), 2618 states have call predecessors, (2666), 2666 states have call successors, (2666) [2023-11-19 05:11:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7937 states to 7937 states and 11463 transitions. [2023-11-19 05:11:17,658 INFO L78 Accepts]: Start accepts. Automaton has 7937 states and 11463 transitions. Word has length 379 [2023-11-19 05:11:17,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:17,661 INFO L495 AbstractCegarLoop]: Abstraction has 7937 states and 11463 transitions. [2023-11-19 05:11:17,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 05:11:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7937 states and 11463 transitions. [2023-11-19 05:11:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-11-19 05:11:17,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:17,674 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:17,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:11:17,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 05:11:17,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:17,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1062160168, now seen corresponding path program 1 times [2023-11-19 05:11:17,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:17,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009352709] [2023-11-19 05:11:17,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:17,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-19 05:11:18,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:18,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009352709] [2023-11-19 05:11:18,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009352709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:18,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:18,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:11:18,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687607193] [2023-11-19 05:11:18,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:18,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:18,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:18,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:11:18,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:18,166 INFO L87 Difference]: Start difference. First operand 7937 states and 11463 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 05:11:22,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:22,687 INFO L93 Difference]: Finished difference Result 16633 states and 23942 transitions. [2023-11-19 05:11:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:11:22,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 380 [2023-11-19 05:11:22,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:22,769 INFO L225 Difference]: With dead ends: 16633 [2023-11-19 05:11:22,770 INFO L226 Difference]: Without dead ends: 8765 [2023-11-19 05:11:22,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:22,817 INFO L413 NwaCegarLoop]: 4218 mSDtfsCounter, 3787 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 7747 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:22,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 7747 Invalid, 1070 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-19 05:11:22,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8765 states.