./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/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_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:46:03,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:46:03,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:46:03,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:46:03,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:46:03,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:46:03,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:46:03,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:46:03,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:46:03,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:46:03,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:46:03,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:46:03,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:46:03,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:46:03,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:46:03,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:46:03,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:46:03,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:46:03,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:46:03,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:46:03,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:46:03,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:46:03,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:46:03,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:46:03,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:46:03,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:46:03,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:46:03,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:46:03,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:46:03,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:46:03,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:46:03,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:46:03,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:46:03,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:46:03,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:46:03,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:46:03,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:46:03,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:46:03,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:46:03,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:46:03,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:46:03,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:46:03,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:46:03,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:46:03,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:46:03,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:46:03,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:46:03,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:46:03,508 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:46:03,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:46:03,508 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:46:03,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:46:03,509 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:46:03,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:46:03,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:46:03,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:46:03,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:46:03,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:46:03,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:46:03,511 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:46:03,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:46:03,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:46:03,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:46:03,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:46:03,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:46:03,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:46:03,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:46:03,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:46:03,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:46:03,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:46:03,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:46:03,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:46:03,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:46:03,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:46:03,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:46:03,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:46:03,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:46:03,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:46:03,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:46:03,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:46:03,518 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_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 [2021-11-25 17:46:03,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:46:03,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:46:03,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:46:03,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:46:03,817 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:46:03,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-25 17:46:03,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/data/bb10013c4/e19a13a980084ea1ab5e368d78ee7796/FLAG3ac52bfeb [2021-11-25 17:46:05,139 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:46:05,140 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-25 17:46:05,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/data/bb10013c4/e19a13a980084ea1ab5e368d78ee7796/FLAG3ac52bfeb [2021-11-25 17:46:05,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/data/bb10013c4/e19a13a980084ea1ab5e368d78ee7796 [2021-11-25 17:46:05,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:46:05,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:46:05,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:46:05,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:46:05,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:46:05,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:46:05" (1/1) ... [2021-11-25 17:46:05,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50805b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:05, skipping insertion in model container [2021-11-25 17:46:05,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:46:05" (1/1) ... [2021-11-25 17:46:05,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:46:05,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:46:16,625 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2021-11-25 17:46:16,628 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2021-11-25 17:46:16,629 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2021-11-25 17:46:16,629 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2021-11-25 17:46:16,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:46:16,764 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:46:18,091 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2021-11-25 17:46:18,092 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2021-11-25 17:46:18,093 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2021-11-25 17:46:18,093 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_02567722-5439-4926-8f77-25328bb0c9ef/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2021-11-25 17:46:18,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:46:18,902 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:46:18,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18 WrapperNode [2021-11-25 17:46:18,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:46:18,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:46:18,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:46:18,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:46:18,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:19,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:19,954 INFO L137 Inliner]: procedures = 898, calls = 11560, calls flagged for inlining = 524, calls inlined = 478, statements flattened = 24388 [2021-11-25 17:46:19,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:46:19,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:46:19,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:46:19,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:46:19,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:19,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:20,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:20,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:20,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:20,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:21,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:21,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:46:21,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:46:21,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:46:21,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:46:21,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (1/1) ... [2021-11-25 17:46:21,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:46:21,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:46:21,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:46:21,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02567722-5439-4926-8f77-25328bb0c9ef/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:46:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2021-11-25 17:46:21,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2021-11-25 17:46:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2021-11-25 17:46:21,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2021-11-25 17:46:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-25 17:46:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-25 17:46:21,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-25 17:46:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2021-11-25 17:46:21,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2021-11-25 17:46:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 17:46:21,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 17:46:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2021-11-25 17:46:21,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2021-11-25 17:46:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2021-11-25 17:46:21,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2021-11-25 17:46:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-25 17:46:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-25 17:46:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 17:46:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 17:46:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-25 17:46:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-25 17:46:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2021-11-25 17:46:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2021-11-25 17:46:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2021-11-25 17:46:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2021-11-25 17:46:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:46:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 17:46:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 17:46:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-25 17:46:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-25 17:46:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2021-11-25 17:46:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2021-11-25 17:46:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2021-11-25 17:46:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2021-11-25 17:46:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2021-11-25 17:46:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2021-11-25 17:46:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-25 17:46:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-25 17:46:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 17:46:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 17:46:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2021-11-25 17:46:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2021-11-25 17:46:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2021-11-25 17:46:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2021-11-25 17:46:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2021-11-25 17:46:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2021-11-25 17:46:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2021-11-25 17:46:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2021-11-25 17:46:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2021-11-25 17:46:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2021-11-25 17:46:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2021-11-25 17:46:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2021-11-25 17:46:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2021-11-25 17:46:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2021-11-25 17:46:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2021-11-25 17:46:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2021-11-25 17:46:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2021-11-25 17:46:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2021-11-25 17:46:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2021-11-25 17:46:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2021-11-25 17:46:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-25 17:46:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-25 17:46:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2021-11-25 17:46:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2021-11-25 17:46:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:46:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:46:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:46:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-25 17:46:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-25 17:46:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 17:46:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 17:46:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-25 17:46:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-25 17:46:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 17:46:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 17:46:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2021-11-25 17:46:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2021-11-25 17:46:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 17:46:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 17:46:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 17:46:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 17:46:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:46:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 17:46:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 17:46:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 17:46:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 17:46:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-25 17:46:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-25 17:46:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 17:46:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 17:46:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 17:46:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 17:46:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:46:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2021-11-25 17:46:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2021-11-25 17:46:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:46:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:46:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 17:46:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 17:46:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:46:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2021-11-25 17:46:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2021-11-25 17:46:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 17:46:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-25 17:46:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-25 17:46:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_65 [2021-11-25 17:46:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_65 [2021-11-25 17:46:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 17:46:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 17:46:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2021-11-25 17:46:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2021-11-25 17:46:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2021-11-25 17:46:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2021-11-25 17:46:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 17:46:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 17:46:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 17:46:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 17:46:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_59 [2021-11-25 17:46:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_59 [2021-11-25 17:46:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2021-11-25 17:46:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2021-11-25 17:46:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 17:46:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 17:46:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:46:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:46:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2021-11-25 17:46:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2021-11-25 17:46:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 17:46:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 17:46:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 17:46:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-11-25 17:46:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-11-25 17:46:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-25 17:46:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-25 17:46:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 17:46:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 17:46:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 17:46:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 17:46:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 17:46:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 17:46:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2021-11-25 17:46:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2021-11-25 17:46:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 17:46:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 17:46:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2021-11-25 17:46:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2021-11-25 17:46:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:46:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:46:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2021-11-25 17:46:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2021-11-25 17:46:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-25 17:46:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-25 17:46:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 17:46:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 17:46:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:46:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 17:46:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 17:46:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2021-11-25 17:46:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2021-11-25 17:46:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:46:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_59 [2021-11-25 17:46:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_59 [2021-11-25 17:46:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 17:46:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 17:46:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 17:46:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 17:46:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-25 17:46:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-25 17:46:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 17:46:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 17:46:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2021-11-25 17:46:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2021-11-25 17:46:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 17:46:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 17:46:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2021-11-25 17:46:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2021-11-25 17:46:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2021-11-25 17:46:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2021-11-25 17:46:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-25 17:46:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-25 17:46:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2021-11-25 17:46:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2021-11-25 17:46:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 17:46:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 17:46:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-25 17:46:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-25 17:46:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:46:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:46:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:46:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2021-11-25 17:46:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2021-11-25 17:46:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2021-11-25 17:46:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2021-11-25 17:46:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2021-11-25 17:46:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2021-11-25 17:46:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 17:46:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 17:46:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-25 17:46:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-25 17:46:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2021-11-25 17:46:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2021-11-25 17:46:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2021-11-25 17:46:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2021-11-25 17:46:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 17:46:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-25 17:46:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-25 17:46:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:46:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:46:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2021-11-25 17:46:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2021-11-25 17:46:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 17:46:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 17:46:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:46:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:46:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 17:46:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 17:46:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_60 [2021-11-25 17:46:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_60 [2021-11-25 17:46:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-25 17:46:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-25 17:46:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2021-11-25 17:46:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2021-11-25 17:46:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-25 17:46:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-25 17:46:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2021-11-25 17:46:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2021-11-25 17:46:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:46:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:46:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 17:46:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 17:46:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:46:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:46:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-25 17:46:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2021-11-25 17:46:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2021-11-25 17:46:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 17:46:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 17:46:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:46:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-25 17:46:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-25 17:46:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2021-11-25 17:46:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2021-11-25 17:46:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 17:46:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 17:46:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2021-11-25 17:46:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2021-11-25 17:46:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 17:46:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 17:46:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 17:46:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 17:46:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 17:46:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-25 17:46:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-25 17:46:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2021-11-25 17:46:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2021-11-25 17:46:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 17:46:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2021-11-25 17:46:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2021-11-25 17:46:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-25 17:46:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-25 17:46:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 17:46:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 17:46:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 17:46:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 17:46:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 17:46:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 17:46:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-25 17:46:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-25 17:46:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2021-11-25 17:46:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2021-11-25 17:46:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-25 17:46:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-25 17:46:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2021-11-25 17:46:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2021-11-25 17:46:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:46:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:46:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:46:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:46:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2021-11-25 17:46:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2021-11-25 17:46:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 17:46:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 17:46:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 17:46:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 17:46:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2021-11-25 17:46:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2021-11-25 17:46:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-25 17:46:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-25 17:46:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-25 17:46:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-25 17:46:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2021-11-25 17:46:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2021-11-25 17:46:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2021-11-25 17:46:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2021-11-25 17:46:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 17:46:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:46:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:46:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 17:46:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 17:46:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 17:46:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 17:46:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2021-11-25 17:46:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2021-11-25 17:46:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2021-11-25 17:46:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2021-11-25 17:46:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-25 17:46:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-25 17:46:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2021-11-25 17:46:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2021-11-25 17:46:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2021-11-25 17:46:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2021-11-25 17:46:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 17:46:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 17:46:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-25 17:46:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-25 17:46:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2021-11-25 17:46:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2021-11-25 17:46:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2021-11-25 17:46:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2021-11-25 17:46:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 17:46:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 17:46:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2021-11-25 17:46:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2021-11-25 17:46:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2021-11-25 17:46:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2021-11-25 17:46:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:46:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 17:46:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 17:46:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2021-11-25 17:46:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2021-11-25 17:46:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2021-11-25 17:46:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2021-11-25 17:46:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 17:46:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 17:46:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2021-11-25 17:46:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2021-11-25 17:46:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-25 17:46:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-25 17:46:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-25 17:46:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-25 17:46:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2021-11-25 17:46:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2021-11-25 17:46:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-25 17:46:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-25 17:46:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2021-11-25 17:46:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2021-11-25 17:46:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:46:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:46:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-25 17:46:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-25 17:46:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2021-11-25 17:46:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2021-11-25 17:46:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2021-11-25 17:46:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2021-11-25 17:46:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 17:46:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 17:46:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-25 17:46:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-25 17:46:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2021-11-25 17:46:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2021-11-25 17:46:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2021-11-25 17:46:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2021-11-25 17:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 17:46:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 17:46:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 17:46:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 17:46:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2021-11-25 17:46:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2021-11-25 17:46:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2021-11-25 17:46:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2021-11-25 17:46:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2021-11-25 17:46:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2021-11-25 17:46:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 17:46:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 17:46:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_60 [2021-11-25 17:46:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_60 [2021-11-25 17:46:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 17:46:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 17:46:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2021-11-25 17:46:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2021-11-25 17:46:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2021-11-25 17:46:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2021-11-25 17:46:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 17:46:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 17:46:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 17:46:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 17:46:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2021-11-25 17:46:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2021-11-25 17:46:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2021-11-25 17:46:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2021-11-25 17:46:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 17:46:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 17:46:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-25 17:46:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-25 17:46:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2021-11-25 17:46:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2021-11-25 17:46:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 17:46:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 17:46:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2021-11-25 17:46:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2021-11-25 17:46:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:46:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 17:46:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 17:46:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 17:46:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 17:46:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-25 17:46:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-25 17:46:23,624 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:46:23,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:46:26,113 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 17:53:29,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 17:53:29,401 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:53:38,944 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:53:38,944 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-25 17:53:38,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:38 BoogieIcfgContainer [2021-11-25 17:53:38,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:53:38,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:53:38,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:53:38,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:53:38,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:46:05" (1/3) ... [2021-11-25 17:53:38,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7956da20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:38, skipping insertion in model container [2021-11-25 17:53:38,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:18" (2/3) ... [2021-11-25 17:53:38,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7956da20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:38, skipping insertion in model container [2021-11-25 17:53:38,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:38" (3/3) ... [2021-11-25 17:53:38,963 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-25 17:53:38,968 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:53:38,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 17:53:39,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:53:39,047 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 [2021-11-25 17:53:39,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 17:53:39,196 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) [2021-11-25 17:53:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2021-11-25 17:53:39,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:39,334 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] [2021-11-25 17:53:39,335 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)] === [2021-11-25 17:53:39,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:39,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1989766276, now seen corresponding path program 1 times [2021-11-25 17:53:39,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:39,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043941639] [2021-11-25 17:53:39,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:39,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-25 17:53:42,674 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:42,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043941639] [2021-11-25 17:53:42,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043941639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:42,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:42,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:53:42,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631476578] [2021-11-25 17:53:42,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:42,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:53:42,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:42,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:53:42,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:53:42,743 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) [2021-11-25 17:53:45,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:50,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:54,122 INFO L93 Difference]: Finished difference Result 14604 states and 22611 transitions. [2021-11-25 17:53:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:53:54,125 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 [2021-11-25 17:53:54,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:54,256 INFO L225 Difference]: With dead ends: 14604 [2021-11-25 17:53:54,256 INFO L226 Difference]: Without dead ends: 9354 [2021-11-25 17:53:54,313 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 [2021-11-25 17:53:54,318 INFO L933 BasicCegarLoop]: 8605 mSDtfsCounter, 5854 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s 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, 10.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:54,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5855 Valid, 15840 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2237 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2021-11-25 17:53:54,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2021-11-25 17:53:55,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 9350. [2021-11-25 17:53:55,302 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) [2021-11-25 17:53:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9350 states to 9350 states and 14179 transitions. [2021-11-25 17:53:55,417 INFO L78 Accepts]: Start accepts. Automaton has 9350 states and 14179 transitions. Word has length 1521 [2021-11-25 17:53:55,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:55,426 INFO L470 AbstractCegarLoop]: Abstraction has 9350 states and 14179 transitions. [2021-11-25 17:53:55,427 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) [2021-11-25 17:53:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 9350 states and 14179 transitions. [2021-11-25 17:53:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2021-11-25 17:53:55,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:55,794 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] [2021-11-25 17:53:55,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:53:55,796 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)] === [2021-11-25 17:53:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2005987703, now seen corresponding path program 1 times [2021-11-25 17:53:55,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:55,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493694455] [2021-11-25 17:53:55,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:55,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-25 17:53:58,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:58,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493694455] [2021-11-25 17:53:58,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493694455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:58,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:58,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:53:58,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266624928] [2021-11-25 17:53:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:58,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:53:58,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:58,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:53:58,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:53:58,172 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) [2021-11-25 17:54:00,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:04,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:10,160 INFO L93 Difference]: Finished difference Result 25747 states and 39057 transitions. [2021-11-25 17:54:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:54:10,161 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 [2021-11-25 17:54:10,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:10,341 INFO L225 Difference]: With dead ends: 25747 [2021-11-25 17:54:10,341 INFO L226 Difference]: Without dead ends: 16698 [2021-11-25 17:54:10,388 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 [2021-11-25 17:54:10,392 INFO L933 BasicCegarLoop]: 8516 mSDtfsCounter, 5605 mSDsluCounter, 8312 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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, 11.2s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:10,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5605 Valid, 15747 Invalid, 2239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2232 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2021-11-25 17:54:10,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16698 states. [2021-11-25 17:54:11,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16698 to 16673. [2021-11-25 17:54:11,609 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) [2021-11-25 17:54:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16673 states to 16673 states and 25286 transitions. [2021-11-25 17:54:11,708 INFO L78 Accepts]: Start accepts. Automaton has 16673 states and 25286 transitions. Word has length 1545 [2021-11-25 17:54:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:11,711 INFO L470 AbstractCegarLoop]: Abstraction has 16673 states and 25286 transitions. [2021-11-25 17:54:11,711 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) [2021-11-25 17:54:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 16673 states and 25286 transitions. [2021-11-25 17:54:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2021-11-25 17:54:11,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:11,748 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] [2021-11-25 17:54:11,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:54:11,749 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)] === [2021-11-25 17:54:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash -306707485, now seen corresponding path program 1 times [2021-11-25 17:54:11,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:11,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854685783] [2021-11-25 17:54:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:11,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-25 17:54:13,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:13,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854685783] [2021-11-25 17:54:13,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854685783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:13,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:13,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:54:13,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059856860] [2021-11-25 17:54:13,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:13,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:54:13,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:13,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:54:13,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:54:13,905 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) [2021-11-25 17:54:15,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:17,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:21,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:27,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:27,167 INFO L93 Difference]: Finished difference Result 48272 states and 73285 transitions. [2021-11-25 17:54:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:54:27,168 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 [2021-11-25 17:54:27,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:27,342 INFO L225 Difference]: With dead ends: 48272 [2021-11-25 17:54:27,343 INFO L226 Difference]: Without dead ends: 31900 [2021-11-25 17:54:27,412 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 [2021-11-25 17:54:27,418 INFO L933 BasicCegarLoop]: 10545 mSDtfsCounter, 7823 mSDsluCounter, 8046 mSDsCounter, 0 mSdLazyCounter, 2504 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7823 SdHoareTripleChecker+Valid, 17551 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2504 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:27,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7823 Valid, 17551 Invalid, 2508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2504 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2021-11-25 17:54:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31900 states. [2021-11-25 17:54:29,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31900 to 31854. [2021-11-25 17:54:30,005 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) [2021-11-25 17:54:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31854 states to 31854 states and 48392 transitions. [2021-11-25 17:54:30,199 INFO L78 Accepts]: Start accepts. Automaton has 31854 states and 48392 transitions. Word has length 1546 [2021-11-25 17:54:30,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:30,202 INFO L470 AbstractCegarLoop]: Abstraction has 31854 states and 48392 transitions. [2021-11-25 17:54:30,203 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) [2021-11-25 17:54:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 31854 states and 48392 transitions. [2021-11-25 17:54:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1555 [2021-11-25 17:54:30,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:30,242 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] [2021-11-25 17:54:30,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:54:30,243 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)] === [2021-11-25 17:54:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1154713149, now seen corresponding path program 1 times [2021-11-25 17:54:30,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:30,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941043994] [2021-11-25 17:54:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-25 17:54:32,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:32,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941043994] [2021-11-25 17:54:32,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941043994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:32,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:32,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:54:32,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730217067] [2021-11-25 17:54:32,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:32,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:54:32,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:54:32,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:54:32,390 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) [2021-11-25 17:54:34,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:38,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:43,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:43,804 INFO L93 Difference]: Finished difference Result 77992 states and 118422 transitions. [2021-11-25 17:54:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:54:43,804 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 [2021-11-25 17:54:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:44,272 INFO L225 Difference]: With dead ends: 77992 [2021-11-25 17:54:44,272 INFO L226 Difference]: Without dead ends: 46439 [2021-11-25 17:54:44,388 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 [2021-11-25 17:54:44,390 INFO L933 BasicCegarLoop]: 8586 mSDtfsCounter, 5867 mSDsluCounter, 8334 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s 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, 10.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:44,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5868 Valid, 15829 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2226 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2021-11-25 17:54:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46439 states. [2021-11-25 17:54:47,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46439 to 46406. [2021-11-25 17:54:47,601 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) [2021-11-25 17:54:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46406 states to 46406 states and 70400 transitions. [2021-11-25 17:54:47,874 INFO L78 Accepts]: Start accepts. Automaton has 46406 states and 70400 transitions. Word has length 1554 [2021-11-25 17:54:47,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:47,877 INFO L470 AbstractCegarLoop]: Abstraction has 46406 states and 70400 transitions. [2021-11-25 17:54:47,877 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) [2021-11-25 17:54:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 46406 states and 70400 transitions. [2021-11-25 17:54:47,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2021-11-25 17:54:47,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:47,916 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] [2021-11-25 17:54:47,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:54:47,917 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)] === [2021-11-25 17:54:47,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:47,928 INFO L85 PathProgramCache]: Analyzing trace with hash 489759527, now seen corresponding path program 1 times [2021-11-25 17:54:47,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:47,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978999235] [2021-11-25 17:54:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:47,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 90310 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 90306 trivial. 0 not checked. [2021-11-25 17:54:50,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:50,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978999235] [2021-11-25 17:54:50,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978999235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:50,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:50,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:54:50,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545788362] [2021-11-25 17:54:50,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:50,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:54:50,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:54:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:54:50,503 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) [2021-11-25 17:54:52,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:04,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:43,151 INFO L93 Difference]: Finished difference Result 184223 states and 280442 transitions. [2021-11-25 17:55:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:55:43,154 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 [2021-11-25 17:55:43,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:44,221 INFO L225 Difference]: With dead ends: 184223 [2021-11-25 17:55:44,223 INFO L226 Difference]: Without dead ends: 138118 [2021-11-25 17:55:44,429 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 [2021-11-25 17:55:44,430 INFO L933 BasicCegarLoop]: 20475 mSDtfsCounter, 15779 mSDsluCounter, 25080 mSDsCounter, 0 mSdLazyCounter, 14359 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15783 SdHoareTripleChecker+Valid, 41268 SdHoareTripleChecker+Invalid, 14375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 14359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:44,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15783 Valid, 41268 Invalid, 14375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 14359 Invalid, 2 Unknown, 0 Unchecked, 48.6s Time] [2021-11-25 17:55:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138118 states. [2021-11-25 17:55:52,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138118 to 138070. [2021-11-25 17:55:52,975 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) [2021-11-25 17:55:54,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138070 states to 138070 states and 209875 transitions. [2021-11-25 17:55:54,482 INFO L78 Accepts]: Start accepts. Automaton has 138070 states and 209875 transitions. Word has length 1561 [2021-11-25 17:55:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:54,485 INFO L470 AbstractCegarLoop]: Abstraction has 138070 states and 209875 transitions. [2021-11-25 17:55:54,486 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) [2021-11-25 17:55:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 138070 states and 209875 transitions. [2021-11-25 17:55:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1563 [2021-11-25 17:55:54,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:54,526 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, 1] [2021-11-25 17:55:54,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 17:55:54,527 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)] === [2021-11-25 17:55:54,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:54,528 INFO L85 PathProgramCache]: Analyzing trace with hash 380051614, now seen corresponding path program 1 times [2021-11-25 17:55:54,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:54,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982026725] [2021-11-25 17:55:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:54,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-25 17:55:56,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:56,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982026725] [2021-11-25 17:55:56,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982026725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:56,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:56,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:55:56,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071362086] [2021-11-25 17:55:56,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:56,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:55:56,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:55:56,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:55:56,688 INFO L87 Difference]: Start difference. First operand 138070 states and 209875 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2021-11-25 17:55:59,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:03,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []