./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-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje --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 621b5d8c1f324511a324a10029dcaab65fe2a5895550fdbdb080d704851197f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:36:16,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:36:16,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:36:16,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:36:16,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:36:16,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:36:16,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:36:16,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:36:16,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:36:16,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:36:16,645 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:36:16,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:36:16,646 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:36:16,646 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:36:16,647 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:36:16,647 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:36:16,647 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:36:16,651 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:36:16,651 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:36:16,652 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:36:16,652 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:36:16,660 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:36:16,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:36:16,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:36:16,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:36:16,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:36:16,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:36:16,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:36:16,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:36:16,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:36:16,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:36:16,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:36:16,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:36:16,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:36:16,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:36:16,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:16,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:36:16,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:36:16,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:36:16,667 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:36:16,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:36:16,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:36:16,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:36:16,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:36:16,670 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_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621b5d8c1f324511a324a10029dcaab65fe2a5895550fdbdb080d704851197f9 [2024-11-09 05:36:16,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:36:17,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:36:17,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:36:17,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:36:17,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:36:17,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i Unable to find full path for "g++" [2024-11-09 05:36:19,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:36:19,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:36:19,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2024-11-09 05:36:19,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/data/ddec8209a/21a6a050c82c486990ffb70f341616c7/FLAGcd3e63cd4 [2024-11-09 05:36:19,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/data/ddec8209a/21a6a050c82c486990ffb70f341616c7 [2024-11-09 05:36:19,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:36:19,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:36:19,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:19,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:36:19,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:36:19,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:19" (1/1) ... [2024-11-09 05:36:19,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbff44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:19, skipping insertion in model container [2024-11-09 05:36:19,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:19" (1/1) ... [2024-11-09 05:36:20,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:36:23,980 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2024-11-09 05:36:23,985 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2024-11-09 05:36:23,987 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2024-11-09 05:36:23,990 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2024-11-09 05:36:24,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:24,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:36:24,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6019] [2024-11-09 05:36:24,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6022] [2024-11-09 05:36:24,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2024-11-09 05:36:24,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2024-11-09 05:36:24,371 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; incl %0": "+m" (v->counter)); [7015] [2024-11-09 05:36:24,371 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; decl %0": "+m" (v->counter)); [7022] [2024-11-09 05:36:24,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7029] [2024-11-09 05:36:24,438 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/autofs4/root.c"), "i" (535), "i" (12UL)); [8347-8348] [2024-11-09 05:36:24,457 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/autofs4/root.c"), "i" (718), "i" (12UL)); [8654-8655] [2024-11-09 05:36:24,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [8707-8708] [2024-11-09 05:36:24,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8738] [2024-11-09 05:36:24,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8741] [2024-11-09 05:36:24,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8744] [2024-11-09 05:36:24,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8747] [2024-11-09 05:36:24,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8750] [2024-11-09 05:36:24,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (8UL)); [8780-8781] [2024-11-09 05:36:24,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8811] [2024-11-09 05:36:24,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8814] [2024-11-09 05:36:24,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8817] [2024-11-09 05:36:24,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8820] [2024-11-09 05:36:24,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8823] [2024-11-09 05:36:24,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8870] [2024-11-09 05:36:24,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8873] [2024-11-09 05:36:24,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8876] [2024-11-09 05:36:24,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8879] [2024-11-09 05:36:24,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8882] [2024-11-09 05:36:24,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8918] [2024-11-09 05:36:24,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8921] [2024-11-09 05:36:24,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8924] [2024-11-09 05:36:24,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8927] [2024-11-09 05:36:24,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8930] [2024-11-09 05:36:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8996] [2024-11-09 05:36:24,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8999] [2024-11-09 05:36:24,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9002] [2024-11-09 05:36:24,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9005] [2024-11-09 05:36:24,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9008] [2024-11-09 05:36:24,501 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9626-9627] [2024-11-09 05:36:24,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9632-9634] [2024-11-09 05:36:24,502 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [9659-9660] [2024-11-09 05:36:24,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [9665-9667] [2024-11-09 05:36:24,504 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [9691-9692] [2024-11-09 05:36:24,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9697-9699] [2024-11-09 05:36:24,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2024-11-09 05:36:24,506 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; incq %0": "=m" (v->counter): "m" (v->counter)); [9741] [2024-11-09 05:36:24,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2024-11-09 05:36:24,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2024-11-09 05:36:24,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2024-11-09 05:36:24,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2024-11-09 05:36:24,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2024-11-09 05:36:24,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2024-11-09 05:36:24,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2024-11-09 05:36:24,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2024-11-09 05:36:24,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2024-11-09 05:36:24,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2024-11-09 05:36:24,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2024-11-09 05:36:24,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2024-11-09 05:36:24,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2024-11-09 05:36:24,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2024-11-09 05:36:24,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2024-11-09 05:36:24,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2024-11-09 05:36:24,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2024-11-09 05:36:24,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2024-11-09 05:36:24,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2024-11-09 05:36:24,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2024-11-09 05:36:24,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2024-11-09 05:36:24,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2024-11-09 05:36:24,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2024-11-09 05:36:24,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2024-11-09 05:36:24,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2024-11-09 05:36:24,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2024-11-09 05:36:24,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2024-11-09 05:36:24,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2024-11-09 05:36:24,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2024-11-09 05:36:24,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2024-11-09 05:36:24,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2024-11-09 05:36:24,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2024-11-09 05:36:24,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (arg), "i" (4UL)); [12416-12417] [2024-11-09 05:36:24,771 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2024-11-09 05:36:24,772 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2024-11-09 05:36:24,773 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2024-11-09 05:36:24,773 WARN L250 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_651b119e-3acb-4501-8c73-8602626a163c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2024-11-09 05:36:24,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:25,012 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:36:25,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25 WrapperNode [2024-11-09 05:36:25,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:25,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:25,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:36:25,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:36:25,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,391 INFO L138 Inliner]: procedures = 553, calls = 3910, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 9768 [2024-11-09 05:36:25,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:25,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:36:25,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:36:25,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:36:25,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:36:25,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:36:25,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:36:25,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:36:25,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (1/1) ... [2024-11-09 05:36:25,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:25,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:25,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:36:25,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651b119e-3acb-4501-8c73-8602626a163c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:36:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2024-11-09 05:36:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2024-11-09 05:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2024-11-09 05:36:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2024-11-09 05:36:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:36:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:36:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2024-11-09 05:36:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2024-11-09 05:36:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2024-11-09 05:36:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2024-11-09 05:36:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-11-09 05:36:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-11-09 05:36:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:36:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:36:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2024-11-09 05:36:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2024-11-09 05:36:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2024-11-09 05:36:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2024-11-09 05:36:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:36:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:36:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-09 05:36:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-09 05:36:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2024-11-09 05:36:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2024-11-09 05:36:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2024-11-09 05:36:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2024-11-09 05:36:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2024-11-09 05:36:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2024-11-09 05:36:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2024-11-09 05:36:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2024-11-09 05:36:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2024-11-09 05:36:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2024-11-09 05:36:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2024-11-09 05:36:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2024-11-09 05:36:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2024-11-09 05:36:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2024-11-09 05:36:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2024-11-09 05:36:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2024-11-09 05:36:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2024-11-09 05:36:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2024-11-09 05:36:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2024-11-09 05:36:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2024-11-09 05:36:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2024-11-09 05:36:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2024-11-09 05:36:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2024-11-09 05:36:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2024-11-09 05:36:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2024-11-09 05:36:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2024-11-09 05:36:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2024-11-09 05:36:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2024-11-09 05:36:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:36:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:36:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-09 05:36:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-09 05:36:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:36:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:36:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:36:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2024-11-09 05:36:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2024-11-09 05:36:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-09 05:36:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-09 05:36:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2024-11-09 05:36:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2024-11-09 05:36:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-09 05:36:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-09 05:36:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 05:36:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 05:36:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2024-11-09 05:36:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2024-11-09 05:36:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2024-11-09 05:36:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2024-11-09 05:36:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2024-11-09 05:36:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2024-11-09 05:36:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-11-09 05:36:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-11-09 05:36:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2024-11-09 05:36:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2024-11-09 05:36:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 05:36:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 05:36:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2024-11-09 05:36:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2024-11-09 05:36:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2024-11-09 05:36:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2024-11-09 05:36:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:36:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 05:36:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 05:36:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2024-11-09 05:36:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2024-11-09 05:36:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2024-11-09 05:36:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2024-11-09 05:36:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2024-11-09 05:36:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2024-11-09 05:36:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:36:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:36:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:36:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2024-11-09 05:36:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2024-11-09 05:36:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2024-11-09 05:36:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2024-11-09 05:36:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:36:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2024-11-09 05:36:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2024-11-09 05:36:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2024-11-09 05:36:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2024-11-09 05:36:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:36:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:36:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2024-11-09 05:36:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2024-11-09 05:36:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2024-11-09 05:36:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2024-11-09 05:36:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2024-11-09 05:36:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2024-11-09 05:36:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2024-11-09 05:36:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2024-11-09 05:36:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 05:36:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 05:36:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2024-11-09 05:36:26,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2024-11-09 05:36:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 05:36:26,053 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 05:36:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2024-11-09 05:36:26,053 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2024-11-09 05:36:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2024-11-09 05:36:26,053 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2024-11-09 05:36:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 05:36:26,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 05:36:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:36:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2024-11-09 05:36:26,054 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2024-11-09 05:36:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-09 05:36:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-09 05:36:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-09 05:36:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-09 05:36:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-09 05:36:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-09 05:36:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-09 05:36:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-09 05:36:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-09 05:36:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-09 05:36:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:36:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:36:26,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:36:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:36:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-09 05:36:26,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-09 05:36:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2024-11-09 05:36:26,057 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2024-11-09 05:36:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-09 05:36:26,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-09 05:36:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2024-11-09 05:36:26,058 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2024-11-09 05:36:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2024-11-09 05:36:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2024-11-09 05:36:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2024-11-09 05:36:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2024-11-09 05:36:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 05:36:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 05:36:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-09 05:36:26,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-09 05:36:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2024-11-09 05:36:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2024-11-09 05:36:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-09 05:36:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-09 05:36:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2024-11-09 05:36:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2024-11-09 05:36:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2024-11-09 05:36:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2024-11-09 05:36:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2024-11-09 05:36:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2024-11-09 05:36:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:36:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:36:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2024-11-09 05:36:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2024-11-09 05:36:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 05:36:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 05:36:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2024-11-09 05:36:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2024-11-09 05:36:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-09 05:36:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-09 05:36:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2024-11-09 05:36:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2024-11-09 05:36:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2024-11-09 05:36:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2024-11-09 05:36:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:36:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2024-11-09 05:36:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2024-11-09 05:36:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:36:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:36:26,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:36:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2024-11-09 05:36:26,065 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2024-11-09 05:36:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:36:26,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:36:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-11-09 05:36:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-11-09 05:36:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 05:36:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 05:36:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-09 05:36:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-09 05:36:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2024-11-09 05:36:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2024-11-09 05:36:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2024-11-09 05:36:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2024-11-09 05:36:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-09 05:36:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-09 05:36:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-09 05:36:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-09 05:36:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2024-11-09 05:36:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2024-11-09 05:36:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2024-11-09 05:36:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2024-11-09 05:36:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2024-11-09 05:36:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2024-11-09 05:36:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 05:36:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 05:36:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2024-11-09 05:36:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2024-11-09 05:36:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 05:36:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 05:36:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2024-11-09 05:36:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2024-11-09 05:36:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:36:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:36:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2024-11-09 05:36:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2024-11-09 05:36:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2024-11-09 05:36:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2024-11-09 05:36:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2024-11-09 05:36:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2024-11-09 05:36:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2024-11-09 05:36:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2024-11-09 05:36:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-09 05:36:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-09 05:36:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2024-11-09 05:36:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2024-11-09 05:36:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:36:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:36:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:36:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2024-11-09 05:36:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2024-11-09 05:36:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-09 05:36:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-09 05:36:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2024-11-09 05:36:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2024-11-09 05:36:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:36:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2024-11-09 05:36:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2024-11-09 05:36:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-09 05:36:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-09 05:36:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 05:36:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 05:36:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:36:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 05:36:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 05:36:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:36:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:36:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:36:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:36:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2024-11-09 05:36:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2024-11-09 05:36:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 05:36:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 05:36:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 05:36:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 05:36:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2024-11-09 05:36:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2024-11-09 05:36:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2024-11-09 05:36:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2024-11-09 05:36:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 05:36:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 05:36:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2024-11-09 05:36:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2024-11-09 05:36:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 05:36:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 05:36:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2024-11-09 05:36:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2024-11-09 05:36:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2024-11-09 05:36:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2024-11-09 05:36:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2024-11-09 05:36:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2024-11-09 05:36:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2024-11-09 05:36:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2024-11-09 05:36:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2024-11-09 05:36:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2024-11-09 05:36:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:36:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:36:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2024-11-09 05:36:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2024-11-09 05:36:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2024-11-09 05:36:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2024-11-09 05:36:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2024-11-09 05:36:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2024-11-09 05:36:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-09 05:36:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-09 05:36:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2024-11-09 05:36:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2024-11-09 05:36:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:36:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2024-11-09 05:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2024-11-09 05:36:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2024-11-09 05:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2024-11-09 05:36:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-09 05:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-09 05:36:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:36:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:36:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2024-11-09 05:36:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2024-11-09 05:36:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2024-11-09 05:36:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2024-11-09 05:36:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2024-11-09 05:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2024-11-09 05:36:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2024-11-09 05:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2024-11-09 05:36:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2024-11-09 05:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2024-11-09 05:36:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-09 05:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-09 05:36:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2024-11-09 05:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2024-11-09 05:36:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2024-11-09 05:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2024-11-09 05:36:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2024-11-09 05:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2024-11-09 05:36:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2024-11-09 05:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2024-11-09 05:36:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-09 05:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-09 05:36:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 05:36:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 05:36:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-09 05:36:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-09 05:36:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2024-11-09 05:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2024-11-09 05:36:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 05:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 05:36:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2024-11-09 05:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2024-11-09 05:36:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 05:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 05:36:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 05:36:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 05:36:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2024-11-09 05:36:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2024-11-09 05:36:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:36:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2024-11-09 05:36:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2024-11-09 05:36:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2024-11-09 05:36:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2024-11-09 05:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2024-11-09 05:36:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2024-11-09 05:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 05:36:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 05:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2024-11-09 05:36:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2024-11-09 05:36:27,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:36:27,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:36:27,810 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:36:29,013 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2024-11-09 05:36:44,545 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-09 05:36:47,074 INFO L? ?]: Removed 3695 outVars from TransFormulas that were not future-live. [2024-11-09 05:36:47,075 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:36:49,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:36:49,803 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-09 05:36:49,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:49 BoogieIcfgContainer [2024-11-09 05:36:49,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:36:49,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:36:49,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:36:49,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:36:49,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:36:19" (1/3) ... [2024-11-09 05:36:49,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c24c19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:49, skipping insertion in model container [2024-11-09 05:36:49,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:25" (2/3) ... [2024-11-09 05:36:49,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c24c19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:49, skipping insertion in model container [2024-11-09 05:36:49,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:49" (3/3) ... [2024-11-09 05:36:49,815 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2024-11-09 05:36:49,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:36:49,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 05:36:50,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:36:50,014 INFO L333 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, 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;@52f810b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:36:50,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 05:36:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 2769 states, 1627 states have (on average 1.3116164720344192) internal successors, (2134), 1682 states have internal predecessors, (2134), 970 states have call successors, (970), 169 states have call predecessors, (970), 168 states have return successors, (959), 953 states have call predecessors, (959), 959 states have call successors, (959) [2024-11-09 05:36:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2024-11-09 05:36:50,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:50,073 INFO L215 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:50,073 INFO L396 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:36:50,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1393334876, now seen corresponding path program 1 times [2024-11-09 05:36:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:50,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480499586] [2024-11-09 05:36:50,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:50,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2024-11-09 05:36:59,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:59,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480499586] [2024-11-09 05:36:59,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480499586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:59,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:59,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:36:59,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198908952] [2024-11-09 05:36:59,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:00,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:37:00,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:37:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:37:00,038 INFO L87 Difference]: Start difference. First operand has 2769 states, 1627 states have (on average 1.3116164720344192) internal successors, (2134), 1682 states have internal predecessors, (2134), 970 states have call successors, (970), 169 states have call predecessors, (970), 168 states have return successors, (959), 953 states have call predecessors, (959), 959 states have call successors, (959) 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, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-09 05:37:02,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:04,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:08,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:13,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:15,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:17,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:21,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:23,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:24,909 INFO L93 Difference]: Finished difference Result 8005 states and 12247 transitions. [2024-11-09 05:37:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:37:24,913 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, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 465 [2024-11-09 05:37:24,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:24,981 INFO L225 Difference]: With dead ends: 8005 [2024-11-09 05:37:24,982 INFO L226 Difference]: Without dead ends: 5309 [2024-11-09 05:37:25,019 INFO L431 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 [2024-11-09 05:37:25,023 INFO L432 NwaCegarLoop]: 3620 mSDtfsCounter, 3790 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 11 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 7171 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:25,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3790 Valid, 7171 Invalid, 849 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 830 Invalid, 8 Unknown, 0 Unchecked, 24.3s Time] [2024-11-09 05:37:25,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2024-11-09 05:37:25,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5303. [2024-11-09 05:37:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 3142 states have (on average 1.2969446212603437) internal successors, (4075), 3237 states have internal predecessors, (4075), 1827 states have call successors, (1827), 331 states have call predecessors, (1827), 330 states have return successors, (1823), 1811 states have call predecessors, (1823), 1823 states have call successors, (1823) [2024-11-09 05:37:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 7725 transitions. [2024-11-09 05:37:25,738 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 7725 transitions. Word has length 465 [2024-11-09 05:37:25,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:25,745 INFO L471 AbstractCegarLoop]: Abstraction has 5303 states and 7725 transitions. [2024-11-09 05:37:25,745 INFO L472 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, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-09 05:37:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 7725 transitions. [2024-11-09 05:37:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-11-09 05:37:25,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:25,775 INFO L215 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:25,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:37:25,776 INFO L396 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:37:25,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:25,777 INFO L85 PathProgramCache]: Analyzing trace with hash -509800604, now seen corresponding path program 1 times [2024-11-09 05:37:25,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:25,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581645604] [2024-11-09 05:37:25,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2024-11-09 05:37:34,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:34,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581645604] [2024-11-09 05:37:34,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581645604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:34,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:34,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:37:34,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388867656] [2024-11-09 05:37:34,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:34,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:37:34,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:34,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:37:34,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:37:34,883 INFO L87 Difference]: Start difference. First operand 5303 states and 7725 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-09 05:37:36,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:39,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:46,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:48,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:50,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:54,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:56,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:57,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:57,951 INFO L93 Difference]: Finished difference Result 12434 states and 18036 transitions. [2024-11-09 05:37:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:37:57,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 481 [2024-11-09 05:37:57,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:58,021 INFO L225 Difference]: With dead ends: 12434 [2024-11-09 05:37:58,022 INFO L226 Difference]: Without dead ends: 7220 [2024-11-09 05:37:58,051 INFO L431 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 [2024-11-09 05:37:58,053 INFO L432 NwaCegarLoop]: 3593 mSDtfsCounter, 3260 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 13 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3260 SdHoareTripleChecker+Valid, 7133 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:58,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3260 Valid, 7133 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 872 Invalid, 6 Unknown, 0 Unchecked, 22.6s Time] [2024-11-09 05:37:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2024-11-09 05:37:58,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 7196. [2024-11-09 05:37:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7196 states, 4253 states have (on average 1.288502233717376) internal successors, (5480), 4382 states have internal predecessors, (5480), 2458 states have call successors, (2458), 482 states have call predecessors, (2458), 481 states have return successors, (2458), 2435 states have call predecessors, (2458), 2454 states have call successors, (2458) [2024-11-09 05:37:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7196 states to 7196 states and 10396 transitions. [2024-11-09 05:37:58,581 INFO L78 Accepts]: Start accepts. Automaton has 7196 states and 10396 transitions. Word has length 481 [2024-11-09 05:37:58,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:58,585 INFO L471 AbstractCegarLoop]: Abstraction has 7196 states and 10396 transitions. [2024-11-09 05:37:58,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-09 05:37:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7196 states and 10396 transitions. [2024-11-09 05:37:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-11-09 05:37:58,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:58,604 INFO L215 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:58,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:37:58,605 INFO L396 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:37:58,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:58,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1604953215, now seen corresponding path program 1 times [2024-11-09 05:37:58,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:58,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139225479] [2024-11-09 05:37:58,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:58,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2024-11-09 05:38:07,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:07,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139225479] [2024-11-09 05:38:07,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139225479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:07,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:07,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:07,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942135992] [2024-11-09 05:38:07,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:07,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:07,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:07,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:07,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:07,312 INFO L87 Difference]: Start difference. First operand 7196 states and 10396 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-09 05:38:09,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:11,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:17,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:20,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:22,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:24,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:28,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:30,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:31,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:31,685 INFO L93 Difference]: Finished difference Result 18502 states and 26651 transitions. [2024-11-09 05:38:31,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:31,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 480 [2024-11-09 05:38:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:31,782 INFO L225 Difference]: With dead ends: 18502 [2024-11-09 05:38:31,782 INFO L226 Difference]: Without dead ends: 11395 [2024-11-09 05:38:31,825 INFO L431 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 [2024-11-09 05:38:31,826 INFO L432 NwaCegarLoop]: 3595 mSDtfsCounter, 3485 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 7165 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:31,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3485 Valid, 7165 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 827 Invalid, 8 Unknown, 0 Unchecked, 23.9s Time] [2024-11-09 05:38:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11395 states. [2024-11-09 05:38:32,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11395 to 11367. [2024-11-09 05:38:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11367 states, 6726 states have (on average 1.2867975022301517) internal successors, (8655), 6921 states have internal predecessors, (8655), 3841 states have call successors, (3841), 797 states have call predecessors, (3841), 796 states have return successors, (3845), 3806 states have call predecessors, (3845), 3837 states have call successors, (3845) [2024-11-09 05:38:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11367 states to 11367 states and 16341 transitions. [2024-11-09 05:38:32,566 INFO L78 Accepts]: Start accepts. Automaton has 11367 states and 16341 transitions. Word has length 480 [2024-11-09 05:38:32,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:32,569 INFO L471 AbstractCegarLoop]: Abstraction has 11367 states and 16341 transitions. [2024-11-09 05:38:32,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-09 05:38:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 11367 states and 16341 transitions. [2024-11-09 05:38:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-11-09 05:38:32,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:32,578 INFO L215 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:32,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:38:32,578 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:38:32,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:32,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2125191327, now seen corresponding path program 1 times [2024-11-09 05:38:32,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:32,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100645830] [2024-11-09 05:38:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:32,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2024-11-09 05:38:42,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:42,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100645830] [2024-11-09 05:38:42,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100645830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:42,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:42,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:42,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018076934] [2024-11-09 05:38:42,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:42,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:42,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:42,352 INFO L87 Difference]: Start difference. First operand 11367 states and 16341 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-09 05:38:44,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:46,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:52,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:55,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:59,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:01,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:03,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:05,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:07,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:07,292 INFO L93 Difference]: Finished difference Result 31467 states and 45205 transitions. [2024-11-09 05:39:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:39:07,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 480 [2024-11-09 05:39:07,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:07,451 INFO L225 Difference]: With dead ends: 31467 [2024-11-09 05:39:07,451 INFO L226 Difference]: Without dead ends: 20189 [2024-11-09 05:39:07,508 INFO L431 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 [2024-11-09 05:39:07,510 INFO L432 NwaCegarLoop]: 3587 mSDtfsCounter, 3690 mSDsluCounter, 3539 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 7126 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:07,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3690 Valid, 7126 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 865 Invalid, 8 Unknown, 0 Unchecked, 24.1s Time] [2024-11-09 05:39:07,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20189 states. [2024-11-09 05:39:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20189 to 20165. [2024-11-09 05:39:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20165 states, 11973 states have (on average 1.2859767810907876) internal successors, (15397), 12329 states have internal predecessors, (15397), 6747 states have call successors, (6747), 1442 states have call predecessors, (6747), 1441 states have return successors, (6775), 6680 states have call predecessors, (6775), 6743 states have call successors, (6775) [2024-11-09 05:39:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20165 states to 20165 states and 28919 transitions. [2024-11-09 05:39:08,853 INFO L78 Accepts]: Start accepts. Automaton has 20165 states and 28919 transitions. Word has length 480 [2024-11-09 05:39:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:08,854 INFO L471 AbstractCegarLoop]: Abstraction has 20165 states and 28919 transitions. [2024-11-09 05:39:08,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-09 05:39:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 20165 states and 28919 transitions. [2024-11-09 05:39:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2024-11-09 05:39:08,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:08,862 INFO L215 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:08,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:39:08,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:39:08,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:08,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1075981942, now seen corresponding path program 1 times [2024-11-09 05:39:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:08,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411370591] [2024-11-09 05:39:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7660 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7660 trivial. 0 not checked. [2024-11-09 05:39:17,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:17,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411370591] [2024-11-09 05:39:17,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411370591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:17,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:17,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:39:17,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445348059] [2024-11-09 05:39:17,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:17,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:39:17,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:39:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:39:17,893 INFO L87 Difference]: Start difference. First operand 20165 states and 28919 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-09 05:39:20,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:22,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:27,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:31,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:33,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:38,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:40,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:40,609 INFO L93 Difference]: Finished difference Result 55696 states and 79760 transitions. [2024-11-09 05:39:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:39:40,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 484 [2024-11-09 05:39:40,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:40,903 INFO L225 Difference]: With dead ends: 55696 [2024-11-09 05:39:40,903 INFO L226 Difference]: Without dead ends: 35620 [2024-11-09 05:39:41,032 INFO L431 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 [2024-11-09 05:39:41,034 INFO L432 NwaCegarLoop]: 3700 mSDtfsCounter, 3525 mSDsluCounter, 3563 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:41,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 7263 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 854 Invalid, 6 Unknown, 0 Unchecked, 21.6s Time] [2024-11-09 05:39:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35620 states. [2024-11-09 05:39:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35620 to 35580. [2024-11-09 05:39:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35580 states, 21160 states have (on average 1.2848298676748582) internal successors, (27187), 21773 states have internal predecessors, (27187), 11819 states have call successors, (11819), 2598 states have call predecessors, (11819), 2597 states have return successors, (11879), 11672 states have call predecessors, (11879), 11815 states have call successors, (11879) [2024-11-09 05:39:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35580 states to 35580 states and 50885 transitions. [2024-11-09 05:39:43,531 INFO L78 Accepts]: Start accepts. Automaton has 35580 states and 50885 transitions. Word has length 484 [2024-11-09 05:39:43,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:43,533 INFO L471 AbstractCegarLoop]: Abstraction has 35580 states and 50885 transitions. [2024-11-09 05:39:43,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-09 05:39:43,533 INFO L276 IsEmpty]: Start isEmpty. Operand 35580 states and 50885 transitions. [2024-11-09 05:39:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2024-11-09 05:39:43,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:43,542 INFO L215 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:43,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:39:43,543 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:39:43,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash -987830996, now seen corresponding path program 1 times [2024-11-09 05:39:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:43,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470563545] [2024-11-09 05:39:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7658 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7658 trivial. 0 not checked. [2024-11-09 05:39:53,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:53,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470563545] [2024-11-09 05:39:53,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470563545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:53,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:53,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:39:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536677088] [2024-11-09 05:39:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:53,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:39:53,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:39:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:39:53,083 INFO L87 Difference]: Start difference. First operand 35580 states and 50885 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-09 05:39:55,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:57,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:01,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:08,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:10,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:12,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:15,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:18,833 INFO L93 Difference]: Finished difference Result 98889 states and 141343 transitions. [2024-11-09 05:40:18,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:40:18,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 511 [2024-11-09 05:40:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:19,325 INFO L225 Difference]: With dead ends: 98889 [2024-11-09 05:40:19,326 INFO L226 Difference]: Without dead ends: 63398 [2024-11-09 05:40:19,524 INFO L431 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 [2024-11-09 05:40:19,526 INFO L432 NwaCegarLoop]: 4094 mSDtfsCounter, 3709 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 13 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 7637 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:19,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 7637 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 899 Invalid, 6 Unknown, 0 Unchecked, 23.2s Time] [2024-11-09 05:40:19,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63398 states. [2024-11-09 05:40:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63398 to 63326. [2024-11-09 05:40:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63326 states, 37805 states have (on average 1.2836661817219945) internal successors, (48529), 38952 states have internal predecessors, (48529), 20822 states have call successors, (20822), 4708 states have call predecessors, (20822), 4695 states have return successors, (20994), 20531 states have call predecessors, (20994), 20818 states have call successors, (20994) [2024-11-09 05:40:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63326 states to 63326 states and 90345 transitions. [2024-11-09 05:40:24,561 INFO L78 Accepts]: Start accepts. Automaton has 63326 states and 90345 transitions. Word has length 511 [2024-11-09 05:40:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:24,562 INFO L471 AbstractCegarLoop]: Abstraction has 63326 states and 90345 transitions. [2024-11-09 05:40:24,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-09 05:40:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 63326 states and 90345 transitions. [2024-11-09 05:40:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2024-11-09 05:40:24,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:24,571 INFO L215 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:24,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:40:24,572 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:40:24,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1708211630, now seen corresponding path program 1 times [2024-11-09 05:40:24,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:24,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461759540] [2024-11-09 05:40:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2024-11-09 05:40:37,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:37,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461759540] [2024-11-09 05:40:37,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461759540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:37,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:37,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:40:37,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390411143] [2024-11-09 05:40:37,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:37,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:40:37,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:37,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:40:37,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:40:37,684 INFO L87 Difference]: Start difference. First operand 63326 states and 90345 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-09 05:40:39,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:42,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:44,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:51,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:53,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:55,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:04,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:10,293 INFO L93 Difference]: Finished difference Result 63332 states and 90350 transitions. [2024-11-09 05:41:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:41:10,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 515 [2024-11-09 05:41:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:11,054 INFO L225 Difference]: With dead ends: 63332 [2024-11-09 05:41:11,055 INFO L226 Difference]: Without dead ends: 63330 [2024-11-09 05:41:11,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:41:11,094 INFO L432 NwaCegarLoop]: 3583 mSDtfsCounter, 3873 mSDsluCounter, 7156 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3874 SdHoareTripleChecker+Valid, 10739 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:11,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3874 Valid, 10739 Invalid, 1233 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1226 Invalid, 7 Unknown, 0 Unchecked, 29.6s Time] [2024-11-09 05:41:11,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63330 states. [2024-11-09 05:41:15,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63330 to 63330. [2024-11-09 05:41:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63330 states, 37808 states have (on average 1.2836436732966567) internal successors, (48532), 38955 states have internal predecessors, (48532), 20822 states have call successors, (20822), 4709 states have call predecessors, (20822), 4696 states have return successors, (20994), 20531 states have call predecessors, (20994), 20818 states have call successors, (20994) [2024-11-09 05:41:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63330 states to 63330 states and 90348 transitions. [2024-11-09 05:41:16,251 INFO L78 Accepts]: Start accepts. Automaton has 63330 states and 90348 transitions. Word has length 515 [2024-11-09 05:41:16,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:16,252 INFO L471 AbstractCegarLoop]: Abstraction has 63330 states and 90348 transitions. [2024-11-09 05:41:16,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-09 05:41:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 63330 states and 90348 transitions. [2024-11-09 05:41:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-11-09 05:41:16,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:16,263 INFO L215 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:16,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:41:16,264 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:41:16,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1968155888, now seen corresponding path program 1 times [2024-11-09 05:41:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:16,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630954598] [2024-11-09 05:41:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2024-11-09 05:41:29,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:29,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630954598] [2024-11-09 05:41:29,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630954598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:29,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:29,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:41:29,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783920240] [2024-11-09 05:41:29,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:29,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:41:29,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:29,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:41:29,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:41:29,985 INFO L87 Difference]: Start difference. First operand 63330 states and 90348 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-09 05:41:32,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:34,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:36,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:42,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:44,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:46,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:56,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:58,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:00,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:06,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:06,277 INFO L93 Difference]: Finished difference Result 66086 states and 92685 transitions. [2024-11-09 05:42:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:42:06,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 520 [2024-11-09 05:42:06,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:06,826 INFO L225 Difference]: With dead ends: 66086 [2024-11-09 05:42:06,827 INFO L226 Difference]: Without dead ends: 66084 [2024-11-09 05:42:06,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:42:06,864 INFO L432 NwaCegarLoop]: 3584 mSDtfsCounter, 3361 mSDsluCounter, 7680 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3362 SdHoareTripleChecker+Valid, 11264 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:06,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3362 Valid, 11264 Invalid, 1312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1303 Invalid, 8 Unknown, 0 Unchecked, 32.6s Time] [2024-11-09 05:42:06,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66084 states. [2024-11-09 05:42:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66084 to 66080. [2024-11-09 05:42:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66080 states, 39271 states have (on average 1.2752667362684933) internal successors, (50081), 40418 states have internal predecessors, (50081), 21214 states have call successors, (21214), 5604 states have call predecessors, (21214), 5591 states have return successors, (21386), 20923 states have call predecessors, (21386), 21210 states have call successors, (21386) [2024-11-09 05:42:11,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66080 states to 66080 states and 92681 transitions. [2024-11-09 05:42:11,863 INFO L78 Accepts]: Start accepts. Automaton has 66080 states and 92681 transitions. Word has length 520 [2024-11-09 05:42:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:11,865 INFO L471 AbstractCegarLoop]: Abstraction has 66080 states and 92681 transitions. [2024-11-09 05:42:11,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-09 05:42:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 66080 states and 92681 transitions. [2024-11-09 05:42:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2024-11-09 05:42:11,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:11,878 INFO L215 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:11,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:42:11,878 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:42:11,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:11,879 INFO L85 PathProgramCache]: Analyzing trace with hash -64660605, now seen corresponding path program 1 times [2024-11-09 05:42:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:11,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98227556] [2024-11-09 05:42:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8071 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8067 trivial. 0 not checked. [2024-11-09 05:42:26,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:26,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98227556] [2024-11-09 05:42:26,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98227556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:26,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:26,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:26,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761146647] [2024-11-09 05:42:26,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:26,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:42:26,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:42:26,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:26,580 INFO L87 Difference]: Start difference. First operand 66080 states and 92681 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-09 05:42:28,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:30,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:33,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:40,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:42,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:44,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:54,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:56,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:58,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:04,298 INFO L93 Difference]: Finished difference Result 66086 states and 92686 transitions. [2024-11-09 05:43:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:43:04,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 535 [2024-11-09 05:43:04,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:04,892 INFO L225 Difference]: With dead ends: 66086 [2024-11-09 05:43:04,892 INFO L226 Difference]: Without dead ends: 66084 [2024-11-09 05:43:04,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:43:04,922 INFO L432 NwaCegarLoop]: 3586 mSDtfsCounter, 3867 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 10743 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:04,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 10743 Invalid, 1234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1225 Invalid, 9 Unknown, 0 Unchecked, 33.5s Time] [2024-11-09 05:43:04,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66084 states. [2024-11-09 05:43:09,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66084 to 66084. [2024-11-09 05:43:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66084 states, 39274 states have (on average 1.2752457096297805) internal successors, (50084), 40421 states have internal predecessors, (50084), 21214 states have call successors, (21214), 5605 states have call predecessors, (21214), 5592 states have return successors, (21386), 20923 states have call predecessors, (21386), 21210 states have call successors, (21386) [2024-11-09 05:43:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66084 states to 66084 states and 92684 transitions. [2024-11-09 05:43:09,988 INFO L78 Accepts]: Start accepts. Automaton has 66084 states and 92684 transitions. Word has length 535 [2024-11-09 05:43:09,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:09,989 INFO L471 AbstractCegarLoop]: Abstraction has 66084 states and 92684 transitions. [2024-11-09 05:43:09,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-09 05:43:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 66084 states and 92684 transitions. [2024-11-09 05:43:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2024-11-09 05:43:10,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:10,005 INFO L215 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:10,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:43:10,006 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:43:10,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:10,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1682433093, now seen corresponding path program 1 times [2024-11-09 05:43:10,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:10,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051579476] [2024-11-09 05:43:10,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:10,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8081 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8075 trivial. 0 not checked. [2024-11-09 05:43:24,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:24,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051579476] [2024-11-09 05:43:24,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051579476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:24,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:24,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:43:24,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534925729] [2024-11-09 05:43:24,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:24,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:43:24,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:43:24,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:43:24,005 INFO L87 Difference]: Start difference. First operand 66084 states and 92684 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-11-09 05:43:26,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:28,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:30,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:37,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:39,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:41,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:49,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:57,182 INFO L93 Difference]: Finished difference Result 66090 states and 92689 transitions. [2024-11-09 05:43:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:43:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 540 [2024-11-09 05:43:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:57,729 INFO L225 Difference]: With dead ends: 66090 [2024-11-09 05:43:57,730 INFO L226 Difference]: Without dead ends: 66088 [2024-11-09 05:43:57,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:43:57,756 INFO L432 NwaCegarLoop]: 3586 mSDtfsCounter, 3866 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 10743 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:57,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3867 Valid, 10743 Invalid, 1234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1227 Invalid, 7 Unknown, 0 Unchecked, 29.4s Time] [2024-11-09 05:43:57,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66088 states. [2024-11-09 05:44:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66088 to 66088. [2024-11-09 05:44:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66088 states, 39277 states have (on average 1.2752246862031213) internal successors, (50087), 40424 states have internal predecessors, (50087), 21214 states have call successors, (21214), 5606 states have call predecessors, (21214), 5593 states have return successors, (21386), 20923 states have call predecessors, (21386), 21210 states have call successors, (21386) [2024-11-09 05:44:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66088 states to 66088 states and 92687 transitions. [2024-11-09 05:44:02,741 INFO L78 Accepts]: Start accepts. Automaton has 66088 states and 92687 transitions. Word has length 540 [2024-11-09 05:44:02,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:02,742 INFO L471 AbstractCegarLoop]: Abstraction has 66088 states and 92687 transitions. [2024-11-09 05:44:02,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-11-09 05:44:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 66088 states and 92687 transitions. [2024-11-09 05:44:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-09 05:44:02,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:02,759 INFO L215 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:02,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:44:02,759 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:44:02,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash -376842685, now seen corresponding path program 1 times [2024-11-09 05:44:02,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:02,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989056979] [2024-11-09 05:44:02,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8095 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8087 trivial. 0 not checked. [2024-11-09 05:44:13,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:13,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989056979] [2024-11-09 05:44:13,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989056979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:13,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:13,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:44:13,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093975684] [2024-11-09 05:44:13,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:13,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:44:13,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:13,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:44:13,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:44:13,943 INFO L87 Difference]: Start difference. First operand 66088 states and 92687 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-09 05:44:16,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:18,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:20,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:26,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:28,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:30,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:39,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:41,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:43,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:48,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:48,561 INFO L93 Difference]: Finished difference Result 68245 states and 95077 transitions. [2024-11-09 05:44:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:44:48,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 545 [2024-11-09 05:44:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:48,871 INFO L225 Difference]: With dead ends: 68245 [2024-11-09 05:44:48,871 INFO L226 Difference]: Without dead ends: 68243 [2024-11-09 05:44:48,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:44:48,896 INFO L432 NwaCegarLoop]: 3616 mSDtfsCounter, 3746 mSDsluCounter, 7362 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3747 SdHoareTripleChecker+Valid, 10978 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:48,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3747 Valid, 10978 Invalid, 1312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1302 Invalid, 9 Unknown, 0 Unchecked, 31.0s Time] [2024-11-09 05:44:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68243 states. [2024-11-09 05:44:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68243 to 68013. [2024-11-09 05:44:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68013 states, 40343 states have (on average 1.2742731080980592) internal successors, (51408), 41602 states have internal predecessors, (51408), 21634 states have call successors, (21634), 6157 states have call predecessors, (21634), 6032 states have return successors, (21806), 21091 states have call predecessors, (21806), 21630 states have call successors, (21806) [2024-11-09 05:44:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68013 states to 68013 states and 94848 transitions. [2024-11-09 05:44:53,708 INFO L78 Accepts]: Start accepts. Automaton has 68013 states and 94848 transitions. Word has length 545 [2024-11-09 05:44:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:53,708 INFO L471 AbstractCegarLoop]: Abstraction has 68013 states and 94848 transitions. [2024-11-09 05:44:53,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-09 05:44:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68013 states and 94848 transitions. [2024-11-09 05:44:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-11-09 05:44:53,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:53,726 INFO L215 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:53,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:44:53,726 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:44:53,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:53,727 INFO L85 PathProgramCache]: Analyzing trace with hash -858905380, now seen corresponding path program 1 times [2024-11-09 05:44:53,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:53,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852571442] [2024-11-09 05:44:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:53,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8112 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8102 trivial. 0 not checked. [2024-11-09 05:45:03,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:03,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852571442] [2024-11-09 05:45:03,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852571442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:03,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:03,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:45:03,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641004613] [2024-11-09 05:45:03,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:03,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:45:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:03,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:45:03,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:45:03,422 INFO L87 Difference]: Start difference. First operand 68013 states and 94848 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-09 05:45:05,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:07,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:09,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:15,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:17,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:19,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:29,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:34,867 INFO L93 Difference]: Finished difference Result 69618 states and 96264 transitions. [2024-11-09 05:45:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:45:34,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 549 [2024-11-09 05:45:34,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:35,314 INFO L225 Difference]: With dead ends: 69618 [2024-11-09 05:45:35,315 INFO L226 Difference]: Without dead ends: 69616 [2024-11-09 05:45:35,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:45:35,341 INFO L432 NwaCegarLoop]: 3612 mSDtfsCounter, 3557 mSDsluCounter, 7530 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3558 SdHoareTripleChecker+Valid, 11142 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:35,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3558 Valid, 11142 Invalid, 1307 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1299 Invalid, 7 Unknown, 0 Unchecked, 27.3s Time] [2024-11-09 05:45:35,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69616 states. [2024-11-09 05:45:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69616 to 69612. [2024-11-09 05:45:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69612 states, 41278 states have (on average 1.2714763312175978) internal successors, (52484), 42537 states have internal predecessors, (52484), 21802 states have call successors, (21802), 6653 states have call predecessors, (21802), 6528 states have return successors, (21974), 21259 states have call predecessors, (21974), 21798 states have call successors, (21974) [2024-11-09 05:45:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69612 states to 69612 states and 96260 transitions. [2024-11-09 05:45:40,530 INFO L78 Accepts]: Start accepts. Automaton has 69612 states and 96260 transitions. Word has length 549 [2024-11-09 05:45:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:40,531 INFO L471 AbstractCegarLoop]: Abstraction has 69612 states and 96260 transitions. [2024-11-09 05:45:40,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-09 05:45:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 69612 states and 96260 transitions. [2024-11-09 05:45:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-09 05:45:40,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:40,551 INFO L215 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:40,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:45:40,551 INFO L396 AbstractCegarLoop]: === Iteration 13 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-09 05:45:40,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:40,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2035126160, now seen corresponding path program 1 times [2024-11-09 05:45:40,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822470693] [2024-11-09 05:45:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 8049 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2024-11-09 05:45:49,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:49,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822470693] [2024-11-09 05:45:49,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822470693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:49,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:49,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:45:49,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502452052] [2024-11-09 05:45:49,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:49,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:45:49,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:49,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:45:49,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:45:49,385 INFO L87 Difference]: Start difference. First operand 69612 states and 96260 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-11-09 05:45:51,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:53,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:03,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:05,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:09,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:12,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:20,280 INFO L93 Difference]: Finished difference Result 167592 states and 231585 transitions. [2024-11-09 05:46:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:46:20,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 542 [2024-11-09 05:46:20,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:20,826 INFO L225 Difference]: With dead ends: 167592 [2024-11-09 05:46:20,826 INFO L226 Difference]: Without dead ends: 98234 [2024-11-09 05:46:21,314 INFO L431 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 [2024-11-09 05:46:21,314 INFO L432 NwaCegarLoop]: 6491 mSDtfsCounter, 3254 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 9 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 10024 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:21,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 10024 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1203 Invalid, 6 Unknown, 0 Unchecked, 24.3s Time] [2024-11-09 05:46:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98234 states.