./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --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 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:46:46,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:46:46,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:46:46,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:46:46,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:46:47,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:46:47,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:46:47,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:46:47,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:46:47,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:46:47,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:46:47,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:46:47,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:46:47,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:46:47,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:46:47,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:46:47,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:46:47,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:46:47,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:46:47,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:46:47,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:46:47,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:46:47,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:46:47,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:46:47,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:46:47,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:46:47,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:46:47,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:46:47,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:46:47,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:46:47,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:46:47,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:46:47,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:46:47,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:46:47,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:46:47,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:46:47,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:46:47,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:46:47,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:46:47,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:46:47,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:46:47,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:46:47,090 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:46:47,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:46:47,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:46:47,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:46:47,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:46:47,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:46:47,092 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:46:47,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:46:47,093 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:46:47,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:46:47,094 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:46:47,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:46:47,095 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:46:47,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:46:47,095 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:46:47,096 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:46:47,096 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:46:47,096 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:46:47,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:46:47,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:46:47,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:46:47,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:46:47,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:46:47,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:46:47,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:46:47,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:46:47,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:46:47,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:46:47,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:46:47,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:46:47,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:46:47,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:46:47,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:46:47,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:46:47,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:46:47,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:46:47,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:46:47,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:46:47,103 INFO L138 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_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 [2021-11-21 00:46:47,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:46:47,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:46:47,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:46:47,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:46:47,427 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:46:47,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-21 00:46:47,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/data/4e6f21d58/e4fa2ae679514cc3b40a657995f719c8/FLAG07183e075 [2021-11-21 00:46:49,187 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:46:49,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-21 00:46:49,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/data/4e6f21d58/e4fa2ae679514cc3b40a657995f719c8/FLAG07183e075 [2021-11-21 00:46:49,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/data/4e6f21d58/e4fa2ae679514cc3b40a657995f719c8 [2021-11-21 00:46:49,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:46:49,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:46:49,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:46:49,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:46:49,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:46:49,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:46:49" (1/1) ... [2021-11-21 00:46:49,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28176de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:49, skipping insertion in model container [2021-11-21 00:46:49,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:46:49" (1/1) ... [2021-11-21 00:46:49,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:46:49,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:47:02,871 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2021-11-21 00:47:02,873 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2021-11-21 00:47:02,874 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2021-11-21 00:47:02,875 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2021-11-21 00:47:02,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:47:03,007 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:47:04,290 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2021-11-21 00:47:04,291 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2021-11-21 00:47:04,291 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2021-11-21 00:47:04,292 WARN L230 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_d06e1480-03ef-4372-b6cc-87688a82f980/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2021-11-21 00:47:04,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:47:05,307 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:47:05,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05 WrapperNode [2021-11-21 00:47:05,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:47:05,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:47:05,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:47:05,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:47:05,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:05,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:06,625 INFO L137 Inliner]: procedures = 898, calls = 11560, calls flagged for inlining = 524, calls inlined = 478, statements flattened = 24388 [2021-11-21 00:47:06,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:47:06,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:47:06,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:47:06,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:47:06,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:06,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:06,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:06,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:07,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:07,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:08,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:08,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:47:08,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:47:08,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:47:08,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:47:08,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (1/1) ... [2021-11-21 00:47:08,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:47:08,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:47:08,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:47:08,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d06e1480-03ef-4372-b6cc-87688a82f980/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:47:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2021-11-21 00:47:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2021-11-21 00:47:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2021-11-21 00:47:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2021-11-21 00:47:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-21 00:47:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-21 00:47:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-21 00:47:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2021-11-21 00:47:08,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2021-11-21 00:47:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 00:47:08,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 00:47:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2021-11-21 00:47:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2021-11-21 00:47:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2021-11-21 00:47:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2021-11-21 00:47:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-21 00:47:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-21 00:47:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:47:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:47:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-21 00:47:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-21 00:47:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2021-11-21 00:47:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2021-11-21 00:47:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2021-11-21 00:47:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2021-11-21 00:47:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:47:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 00:47:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 00:47:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-21 00:47:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-21 00:47:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2021-11-21 00:47:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2021-11-21 00:47:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2021-11-21 00:47:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2021-11-21 00:47:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2021-11-21 00:47:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2021-11-21 00:47:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-21 00:47:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-21 00:47:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-21 00:47:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-21 00:47:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2021-11-21 00:47:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2021-11-21 00:47:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2021-11-21 00:47:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2021-11-21 00:47:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2021-11-21 00:47:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2021-11-21 00:47:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2021-11-21 00:47:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2021-11-21 00:47:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2021-11-21 00:47:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2021-11-21 00:47:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2021-11-21 00:47:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2021-11-21 00:47:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2021-11-21 00:47:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2021-11-21 00:47:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2021-11-21 00:47:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2021-11-21 00:47:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2021-11-21 00:47:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2021-11-21 00:47:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2021-11-21 00:47:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2021-11-21 00:47:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-21 00:47:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-21 00:47:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2021-11-21 00:47:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2021-11-21 00:47:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:47:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:47:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:47:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-21 00:47:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-21 00:47:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:47:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:47:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-21 00:47:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-21 00:47:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-21 00:47:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-21 00:47:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2021-11-21 00:47:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2021-11-21 00:47:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-21 00:47:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-21 00:47:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-21 00:47:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-21 00:47:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:47:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 00:47:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 00:47:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 00:47:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 00:47:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-21 00:47:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-21 00:47:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:47:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:47:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 00:47:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 00:47:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:47:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2021-11-21 00:47:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2021-11-21 00:47:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:47:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:47:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:47:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:47:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:47:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2021-11-21 00:47:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2021-11-21 00:47:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 00:47:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-21 00:47:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-21 00:47:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_65 [2021-11-21 00:47:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_65 [2021-11-21 00:47:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:47:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:47:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2021-11-21 00:47:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2021-11-21 00:47:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2021-11-21 00:47:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2021-11-21 00:47:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:47:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:47:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 00:47:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 00:47:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_59 [2021-11-21 00:47:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_59 [2021-11-21 00:47:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2021-11-21 00:47:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2021-11-21 00:47:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-21 00:47:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-21 00:47:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:47:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:47:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2021-11-21 00:47:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2021-11-21 00:47:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 00:47:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 00:47:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:47:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-11-21 00:47:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-11-21 00:47:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-21 00:47:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-21 00:47:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-21 00:47:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-21 00:47:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 00:47:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 00:47:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-21 00:47:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-21 00:47:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2021-11-21 00:47:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2021-11-21 00:47:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 00:47:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 00:47:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2021-11-21 00:47:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2021-11-21 00:47:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:47:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:47:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2021-11-21 00:47:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2021-11-21 00:47:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-21 00:47:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-21 00:47:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-21 00:47:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-21 00:47:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:47:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 00:47:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 00:47:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2021-11-21 00:47:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2021-11-21 00:47:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:47:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_59 [2021-11-21 00:47:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_59 [2021-11-21 00:47:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:47:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:47:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-21 00:47:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-21 00:47:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-21 00:47:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-21 00:47:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:47:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:47:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2021-11-21 00:47:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2021-11-21 00:47:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 00:47:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 00:47:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2021-11-21 00:47:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2021-11-21 00:47:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2021-11-21 00:47:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2021-11-21 00:47:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-21 00:47:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-21 00:47:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2021-11-21 00:47:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2021-11-21 00:47:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 00:47:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 00:47:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-21 00:47:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-21 00:47:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:47:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:47:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:47:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2021-11-21 00:47:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2021-11-21 00:47:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2021-11-21 00:47:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2021-11-21 00:47:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2021-11-21 00:47:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2021-11-21 00:47:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-21 00:47:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-21 00:47:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-21 00:47:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-21 00:47:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2021-11-21 00:47:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2021-11-21 00:47:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2021-11-21 00:47:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2021-11-21 00:47:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-21 00:47:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-21 00:47:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-21 00:47:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:47:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:47:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2021-11-21 00:47:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2021-11-21 00:47:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 00:47:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 00:47:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:47:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:47:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 00:47:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 00:47:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_60 [2021-11-21 00:47:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_60 [2021-11-21 00:47:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-21 00:47:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-21 00:47:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2021-11-21 00:47:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2021-11-21 00:47:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-21 00:47:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-21 00:47:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2021-11-21 00:47:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2021-11-21 00:47:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:47:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:47:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 00:47:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 00:47:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:47:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:47:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-21 00:47:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2021-11-21 00:47:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2021-11-21 00:47:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-21 00:47:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-21 00:47:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:47:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-21 00:47:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-21 00:47:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2021-11-21 00:47:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2021-11-21 00:47:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 00:47:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 00:47:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2021-11-21 00:47:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2021-11-21 00:47:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-21 00:47:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-21 00:47:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:47:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 00:47:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 00:47:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-21 00:47:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-21 00:47:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2021-11-21 00:47:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2021-11-21 00:47:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:47:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2021-11-21 00:47:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2021-11-21 00:47:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-21 00:47:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-21 00:47:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:47:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:47:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-21 00:47:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-21 00:47:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 00:47:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 00:47:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-21 00:47:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-21 00:47:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2021-11-21 00:47:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2021-11-21 00:47:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-21 00:47:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-21 00:47:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2021-11-21 00:47:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2021-11-21 00:47:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:47:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:47:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:47:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:47:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2021-11-21 00:47:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2021-11-21 00:47:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-21 00:47:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-21 00:47:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-21 00:47:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-21 00:47:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2021-11-21 00:47:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2021-11-21 00:47:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-21 00:47:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-21 00:47:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-21 00:47:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-21 00:47:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2021-11-21 00:47:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2021-11-21 00:47:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2021-11-21 00:47:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2021-11-21 00:47:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:47:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:47:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:47:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-21 00:47:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-21 00:47:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:47:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:47:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2021-11-21 00:47:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2021-11-21 00:47:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2021-11-21 00:47:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2021-11-21 00:47:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-21 00:47:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-21 00:47:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2021-11-21 00:47:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2021-11-21 00:47:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2021-11-21 00:47:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2021-11-21 00:47:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-21 00:47:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-21 00:47:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-21 00:47:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-21 00:47:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2021-11-21 00:47:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2021-11-21 00:47:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2021-11-21 00:47:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2021-11-21 00:47:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 00:47:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 00:47:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2021-11-21 00:47:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2021-11-21 00:47:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2021-11-21 00:47:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2021-11-21 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-21 00:47:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-21 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2021-11-21 00:47:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2021-11-21 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2021-11-21 00:47:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2021-11-21 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 00:47:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2021-11-21 00:47:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2021-11-21 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-21 00:47:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-21 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-21 00:47:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-21 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2021-11-21 00:47:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2021-11-21 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-21 00:47:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-21 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2021-11-21 00:47:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2021-11-21 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:47:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-21 00:47:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-21 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2021-11-21 00:47:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2021-11-21 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2021-11-21 00:47:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2021-11-21 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 00:47:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-21 00:47:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-21 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2021-11-21 00:47:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2021-11-21 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2021-11-21 00:47:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2021-11-21 00:47:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:47:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:47:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-21 00:47:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-21 00:47:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2021-11-21 00:47:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2021-11-21 00:47:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2021-11-21 00:47:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2021-11-21 00:47:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2021-11-21 00:47:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2021-11-21 00:47:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 00:47:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 00:47:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_60 [2021-11-21 00:47:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_60 [2021-11-21 00:47:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-21 00:47:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-21 00:47:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2021-11-21 00:47:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2021-11-21 00:47:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2021-11-21 00:47:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2021-11-21 00:47:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:47:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:47:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-21 00:47:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-21 00:47:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2021-11-21 00:47:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2021-11-21 00:47:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2021-11-21 00:47:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2021-11-21 00:47:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 00:47:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 00:47:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-21 00:47:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-21 00:47:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2021-11-21 00:47:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2021-11-21 00:47:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-21 00:47:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-21 00:47:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2021-11-21 00:47:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2021-11-21 00:47:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:47:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 00:47:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 00:47:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-21 00:47:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-21 00:47:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-21 00:47:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-21 00:47:11,576 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:47:11,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:47:14,371 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:55:58,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 00:55:59,145 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:56:09,268 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:56:09,268 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-21 00:56:09,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:56:09 BoogieIcfgContainer [2021-11-21 00:56:09,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:56:09,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:56:09,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:56:09,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:56:09,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:46:49" (1/3) ... [2021-11-21 00:56:09,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cd7026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:56:09, skipping insertion in model container [2021-11-21 00:56:09,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:05" (2/3) ... [2021-11-21 00:56:09,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cd7026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:56:09, skipping insertion in model container [2021-11-21 00:56:09,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:56:09" (3/3) ... [2021-11-21 00:56:09,290 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-21 00:56:09,297 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:56:09,297 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-21 00:56:09,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:56:09,385 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:56:09,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-21 00:56:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 5540 states, 3476 states have (on average 1.345512082853855) internal successors, (4677), 3548 states have internal predecessors, (4677), 1871 states have call successors, (1871), 193 states have call predecessors, (1871), 192 states have return successors, (1864), 1852 states have call predecessors, (1864), 1864 states have call successors, (1864) [2021-11-21 00:56:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2021-11-21 00:56:09,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:56:09,635 INFO L514 BasicCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:56:09,636 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:56:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:56:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1989766276, now seen corresponding path program 1 times [2021-11-21 00:56:09,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:56:09,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144848992] [2021-11-21 00:56:09,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:56:09,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:56:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:56:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-21 00:56:13,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:56:13,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144848992] [2021-11-21 00:56:13,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144848992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:56:13,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:56:13,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:56:13,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812280923] [2021-11-21 00:56:13,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:56:13,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:56:13,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:56:13,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:56:13,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:56:13,800 INFO L87 Difference]: Start difference. First operand has 5540 states, 3476 states have (on average 1.345512082853855) internal successors, (4677), 3548 states have internal predecessors, (4677), 1871 states have call successors, (1871), 193 states have call predecessors, (1871), 192 states have return successors, (1864), 1852 states have call predecessors, (1864), 1864 states have call successors, (1864) Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (155), 2 states have call predecessors, (155), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2021-11-21 00:56:16,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:22,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:27,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:56:27,277 INFO L93 Difference]: Finished difference Result 14604 states and 22611 transitions. [2021-11-21 00:56:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:56:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (155), 2 states have call predecessors, (155), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) Word has length 1521 [2021-11-21 00:56:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:56:27,496 INFO L225 Difference]: With dead ends: 14604 [2021-11-21 00:56:27,496 INFO L226 Difference]: Without dead ends: 9354 [2021-11-21 00:56:27,539 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:56:27,544 INFO L933 BasicCegarLoop]: 8605 mSDtfsCounter, 5854 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5855 SdHoareTripleChecker+Valid, 15840 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:56:27,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5855 Valid, 15840 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2237 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2021-11-21 00:56:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2021-11-21 00:56:28,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 9350. [2021-11-21 00:56:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9350 states, 5884 states have (on average 1.346702923181509) internal successors, (7924), 5999 states have internal predecessors, (7924), 3129 states have call successors, (3129), 335 states have call predecessors, (3129), 334 states have return successors, (3126), 3112 states have call predecessors, (3126), 3125 states have call successors, (3126) [2021-11-21 00:56:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9350 states to 9350 states and 14179 transitions. [2021-11-21 00:56:28,972 INFO L78 Accepts]: Start accepts. Automaton has 9350 states and 14179 transitions. Word has length 1521 [2021-11-21 00:56:28,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:56:28,985 INFO L470 AbstractCegarLoop]: Abstraction has 9350 states and 14179 transitions. [2021-11-21 00:56:28,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (155), 2 states have call predecessors, (155), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2021-11-21 00:56:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9350 states and 14179 transitions. [2021-11-21 00:56:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2021-11-21 00:56:29,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:56:29,285 INFO L514 BasicCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:56:29,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:56:29,288 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:56:29,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:56:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2005987703, now seen corresponding path program 1 times [2021-11-21 00:56:29,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:56:29,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848302962] [2021-11-21 00:56:29,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:56:29,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:56:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:56:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-21 00:56:32,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:56:32,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848302962] [2021-11-21 00:56:32,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848302962] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:56:32,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:56:32,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:56:32,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002324106] [2021-11-21 00:56:32,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:56:32,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:56:32,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:56:32,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:56:32,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:56:32,123 INFO L87 Difference]: Start difference. First operand 9350 states and 14179 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2021-11-21 00:56:34,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:38,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:45,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:56:45,607 INFO L93 Difference]: Finished difference Result 25747 states and 39057 transitions. [2021-11-21 00:56:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:56:45,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) Word has length 1545 [2021-11-21 00:56:45,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:56:45,807 INFO L225 Difference]: With dead ends: 25747 [2021-11-21 00:56:45,808 INFO L226 Difference]: Without dead ends: 16698 [2021-11-21 00:56:45,865 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:56:45,867 INFO L933 BasicCegarLoop]: 8516 mSDtfsCounter, 5605 mSDsluCounter, 8312 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5605 SdHoareTripleChecker+Valid, 15747 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:56:45,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5605 Valid, 15747 Invalid, 2239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2232 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-11-21 00:56:45,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16698 states. [2021-11-21 00:56:47,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16698 to 16673. [2021-11-21 00:56:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16673 states, 10486 states have (on average 1.3476063322525271) internal successors, (14131), 10683 states have internal predecessors, (14131), 5578 states have call successors, (5578), 607 states have call predecessors, (5578), 606 states have return successors, (5577), 5556 states have call predecessors, (5577), 5574 states have call successors, (5577) [2021-11-21 00:56:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16673 states to 16673 states and 25286 transitions. [2021-11-21 00:56:47,521 INFO L78 Accepts]: Start accepts. Automaton has 16673 states and 25286 transitions. Word has length 1545 [2021-11-21 00:56:47,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:56:47,524 INFO L470 AbstractCegarLoop]: Abstraction has 16673 states and 25286 transitions. [2021-11-21 00:56:47,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2021-11-21 00:56:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 16673 states and 25286 transitions. [2021-11-21 00:56:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2021-11-21 00:56:47,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:56:47,571 INFO L514 BasicCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:56:47,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:56:47,572 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:56:47,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:56:47,573 INFO L85 PathProgramCache]: Analyzing trace with hash -306707485, now seen corresponding path program 1 times [2021-11-21 00:56:47,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:56:47,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231162313] [2021-11-21 00:56:47,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:56:47,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:56:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:56:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-21 00:56:49,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:56:49,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231162313] [2021-11-21 00:56:49,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231162313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:56:49,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:56:49,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:56:49,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885014733] [2021-11-21 00:56:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:56:49,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:56:49,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:56:49,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:56:49,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:56:49,993 INFO L87 Difference]: Start difference. First operand 16673 states and 25286 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2021-11-21 00:56:51,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:53,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:57,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:59,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:04,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:57:04,665 INFO L93 Difference]: Finished difference Result 48272 states and 73285 transitions. [2021-11-21 00:57:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:57:04,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) Word has length 1546 [2021-11-21 00:57:04,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:57:04,881 INFO L225 Difference]: With dead ends: 48272 [2021-11-21 00:57:04,881 INFO L226 Difference]: Without dead ends: 31900 [2021-11-21 00:57:04,956 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:57:04,965 INFO L933 BasicCegarLoop]: 10545 mSDtfsCounter, 7823 mSDsluCounter, 8046 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7823 SdHoareTripleChecker+Valid, 17551 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:57:04,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7823 Valid, 17551 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2505 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2021-11-21 00:57:05,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31900 states. [2021-11-21 00:57:07,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31900 to 31854. [2021-11-21 00:57:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31854 states, 20058 states have (on average 1.350034898793499) internal successors, (27079), 20421 states have internal predecessors, (27079), 10617 states have call successors, (10617), 1181 states have call predecessors, (10617), 1176 states have return successors, (10696), 10565 states have call predecessors, (10696), 10613 states have call successors, (10696) [2021-11-21 00:57:07,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31854 states to 31854 states and 48392 transitions. [2021-11-21 00:57:07,758 INFO L78 Accepts]: Start accepts. Automaton has 31854 states and 48392 transitions. Word has length 1546 [2021-11-21 00:57:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:57:07,762 INFO L470 AbstractCegarLoop]: Abstraction has 31854 states and 48392 transitions. [2021-11-21 00:57:07,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2021-11-21 00:57:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 31854 states and 48392 transitions. [2021-11-21 00:57:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1555 [2021-11-21 00:57:08,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:57:08,045 INFO L514 BasicCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:57:08,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:57:08,045 INFO L402 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:57:08,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:57:08,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1154713149, now seen corresponding path program 1 times [2021-11-21 00:57:08,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:57:08,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608287700] [2021-11-21 00:57:08,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:57:08,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:57:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:57:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-21 00:57:10,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:57:10,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608287700] [2021-11-21 00:57:10,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608287700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:57:10,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:57:10,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:57:10,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76153658] [2021-11-21 00:57:10,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:57:10,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:57:10,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:57:10,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:57:10,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:57:10,490 INFO L87 Difference]: Start difference. First operand 31854 states and 48392 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (158), 2 states have call predecessors, (158), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2021-11-21 00:57:12,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:17,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:22,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:57:22,695 INFO L93 Difference]: Finished difference Result 77992 states and 118422 transitions. [2021-11-21 00:57:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:57:22,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (158), 2 states have call predecessors, (158), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) Word has length 1554 [2021-11-21 00:57:22,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:57:22,994 INFO L225 Difference]: With dead ends: 77992 [2021-11-21 00:57:22,994 INFO L226 Difference]: Without dead ends: 46439 [2021-11-21 00:57:23,321 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:57:23,327 INFO L933 BasicCegarLoop]: 8586 mSDtfsCounter, 5867 mSDsluCounter, 8334 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5868 SdHoareTripleChecker+Valid, 15829 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:57:23,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5868 Valid, 15829 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2226 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2021-11-21 00:57:23,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46439 states. [2021-11-21 00:57:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46439 to 46406. [2021-11-21 00:57:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46406 states, 29221 states have (on average 1.3498511344580952) internal successors, (39444), 29750 states have internal predecessors, (39444), 15433 states have call successors, (15433), 1756 states have call predecessors, (15433), 1749 states have return successors, (15523), 15353 states have call predecessors, (15523), 15429 states have call successors, (15523) [2021-11-21 00:57:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46406 states to 46406 states and 70400 transitions. [2021-11-21 00:57:27,321 INFO L78 Accepts]: Start accepts. Automaton has 46406 states and 70400 transitions. Word has length 1554 [2021-11-21 00:57:27,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:57:27,323 INFO L470 AbstractCegarLoop]: Abstraction has 46406 states and 70400 transitions. [2021-11-21 00:57:27,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (158), 2 states have call predecessors, (158), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2021-11-21 00:57:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 46406 states and 70400 transitions. [2021-11-21 00:57:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2021-11-21 00:57:27,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:57:27,378 INFO L514 BasicCegarLoop]: trace histogram [153, 150, 150, 150, 150, 150, 150, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:57:27,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:57:27,379 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:57:27,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:57:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash 489759527, now seen corresponding path program 1 times [2021-11-21 00:57:27,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:57:27,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052179789] [2021-11-21 00:57:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:57:27,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:57:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:57:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 90310 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 90306 trivial. 0 not checked. [2021-11-21 00:57:29,906 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:57:29,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052179789] [2021-11-21 00:57:29,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052179789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:57:29,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:57:29,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:57:29,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145348874] [2021-11-21 00:57:29,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:57:29,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:57:29,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:57:29,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:57:29,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:57:29,912 INFO L87 Difference]: Start difference. First operand 46406 states and 70400 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (158), 3 states have call predecessors, (158), 2 states have call successors, (158) [2021-11-21 00:57:32,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:47,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:58:36,100 INFO L93 Difference]: Finished difference Result 184223 states and 280442 transitions. [2021-11-21 00:58:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:58:36,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (158), 3 states have call predecessors, (158), 2 states have call successors, (158) Word has length 1561 [2021-11-21 00:58:36,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:58:37,293 INFO L225 Difference]: With dead ends: 184223 [2021-11-21 00:58:37,294 INFO L226 Difference]: Without dead ends: 138118 [2021-11-21 00:58:37,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:58:37,499 INFO L933 BasicCegarLoop]: 20475 mSDtfsCounter, 15779 mSDsluCounter, 25080 mSDsCounter, 0 mSdLazyCounter, 14359 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15783 SdHoareTripleChecker+Valid, 41268 SdHoareTripleChecker+Invalid, 14375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 14359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:58:37,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15783 Valid, 41268 Invalid, 14375 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14 Valid, 14359 Invalid, 2 Unknown, 0 Unchecked, 60.6s Time] [2021-11-21 00:58:37,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138118 states. [2021-11-21 00:58:47,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138118 to 138070. [2021-11-21 00:58:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138070 states, 87067 states have (on average 1.351166343161014) internal successors, (117642), 88616 states have internal predecessors, (117642), 45811 states have call successors, (45811), 5214 states have call predecessors, (45811), 5189 states have return successors, (46422), 45577 states have call predecessors, (46422), 45807 states have call successors, (46422) [2021-11-21 00:58:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138070 states to 138070 states and 209875 transitions. [2021-11-21 00:58:48,867 INFO L78 Accepts]: Start accepts. Automaton has 138070 states and 209875 transitions. Word has length 1561 [2021-11-21 00:58:48,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:58:48,869 INFO L470 AbstractCegarLoop]: Abstraction has 138070 states and 209875 transitions. [2021-11-21 00:58:48,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (158), 3 states have call predecessors, (158), 2 states have call successors, (158) [2021-11-21 00:58:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 138070 states and 209875 transitions. [2021-11-21 00:58:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2021-11-21 00:58:48,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:58:48,920 INFO L514 BasicCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:58:48,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:58:48,920 INFO L402 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 00:58:48,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:58:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1436790548, now seen corresponding path program 1 times [2021-11-21 00:58:48,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:58:48,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470003637] [2021-11-21 00:58:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:58:48,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:58:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:58:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-21 00:58:51,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:58:51,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470003637] [2021-11-21 00:58:51,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470003637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:58:51,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:58:51,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:58:51,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592715721] [2021-11-21 00:58:51,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:58:51,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:58:51,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:58:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:58:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:58:51,558 INFO L87 Difference]: Start difference. First operand 138070 states and 209875 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 3 states have call successors, (160), 2 states have call predecessors, (160), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2021-11-21 00:58:54,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:59,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []