./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:33:33,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:33:33,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:33:33,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:33:33,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:33:33,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:33:33,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:33:33,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:33:33,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:33:33,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:33:33,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:33:33,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:33:33,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:33:33,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:33:33,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:33:33,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:33:33,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:33:33,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:33:33,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:33:33,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:33:33,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:33:33,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:33:33,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:33:33,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:33:33,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:33:33,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:33:33,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:33:33,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:33:33,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:33:33,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:33:33,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:33:33,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:33:33,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:33:33,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:33:33,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:33:33,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:33:33,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:33:33,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:33:33,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:33:33,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:33:33,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:33:33,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:33:34,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:33:34,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:33:34,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:33:34,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:33:34,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:33:34,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:33:34,028 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:33:34,028 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:33:34,028 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:33:34,029 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:33:34,030 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:33:34,030 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:33:34,030 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:33:34,030 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:33:34,030 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:33:34,031 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:33:34,031 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:33:34,031 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:33:34,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:33:34,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:33:34,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:33:34,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:33:34,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:33:34,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:33:34,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:33:34,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:33:34,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:33:34,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:33:34,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:33:34,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:33:34,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:33:34,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:33:34,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:33:34,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:33:34,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:33:34,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:33:34,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:33:34,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:33:34,038 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 [2021-11-23 03:33:34,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:33:34,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:33:34,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:33:34,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:33:34,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:33:34,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-23 03:33:34,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/data/b1d91477b/15dcb95cb6474b07a3a46297fefa88a8/FLAGdba221541 [2021-11-23 03:33:35,790 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:33:35,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-23 03:33:35,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/data/b1d91477b/15dcb95cb6474b07a3a46297fefa88a8/FLAGdba221541 [2021-11-23 03:33:36,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/data/b1d91477b/15dcb95cb6474b07a3a46297fefa88a8 [2021-11-23 03:33:36,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:33:36,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:33:36,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:33:36,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:33:36,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:33:36,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:36" (1/1) ... [2021-11-23 03:33:36,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572e5157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36, skipping insertion in model container [2021-11-23 03:33:36,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:36" (1/1) ... [2021-11-23 03:33:36,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:33:36,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:33:48,663 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2021-11-23 03:33:48,666 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2021-11-23 03:33:48,667 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2021-11-23 03:33:48,667 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2021-11-23 03:33:48,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:33:48,824 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:33:50,068 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2021-11-23 03:33:50,069 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2021-11-23 03:33:50,069 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2021-11-23 03:33:50,070 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_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2021-11-23 03:33:50,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:33:50,738 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:33:50,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50 WrapperNode [2021-11-23 03:33:50,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:33:50,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:33:50,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:33:50,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:33:50,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:51,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:51,925 INFO L137 Inliner]: procedures = 898, calls = 11560, calls flagged for inlining = 524, calls inlined = 478, statements flattened = 24388 [2021-11-23 03:33:51,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:33:51,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:33:51,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:33:51,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:33:51,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:51,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:52,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:52,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:52,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:52,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:52,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:53,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:33:53,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:33:53,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:33:53,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:33:53,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (1/1) ... [2021-11-23 03:33:53,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:33:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:33:53,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:33:53,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb5e21-f0af-425c-8ebf-2cb07dc0e762/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:33:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2021-11-23 03:33:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2021-11-23 03:33:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2021-11-23 03:33:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2021-11-23 03:33:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 03:33:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-23 03:33:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-23 03:33:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2021-11-23 03:33:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2021-11-23 03:33:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 03:33:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 03:33:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2021-11-23 03:33:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2021-11-23 03:33:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2021-11-23 03:33:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2021-11-23 03:33:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-23 03:33:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-23 03:33:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 03:33:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 03:33:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-23 03:33:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-23 03:33:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2021-11-23 03:33:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2021-11-23 03:33:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2021-11-23 03:33:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2021-11-23 03:33:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:33:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 03:33:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 03:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-23 03:33:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-23 03:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2021-11-23 03:33:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2021-11-23 03:33:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2021-11-23 03:33:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2021-11-23 03:33:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2021-11-23 03:33:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2021-11-23 03:33:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-23 03:33:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-23 03:33:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 03:33:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 03:33:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2021-11-23 03:33:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2021-11-23 03:33:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2021-11-23 03:33:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2021-11-23 03:33:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2021-11-23 03:33:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2021-11-23 03:33:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2021-11-23 03:33:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2021-11-23 03:33:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2021-11-23 03:33:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2021-11-23 03:33:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2021-11-23 03:33:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2021-11-23 03:33:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2021-11-23 03:33:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2021-11-23 03:33:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2021-11-23 03:33:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2021-11-23 03:33:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2021-11-23 03:33:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2021-11-23 03:33:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2021-11-23 03:33:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2021-11-23 03:33:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-23 03:33:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-23 03:33:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2021-11-23 03:33:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2021-11-23 03:33:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:33:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:33:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:33:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-23 03:33:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-23 03:33:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:33:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:33:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-23 03:33:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-23 03:33:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-23 03:33:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-23 03:33:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2021-11-23 03:33:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2021-11-23 03:33:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 03:33:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 03:33:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 03:33:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 03:33:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:33:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:33:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:33:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:33:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:33:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-23 03:33:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-23 03:33:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 03:33:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 03:33:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 03:33:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 03:33:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:33:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2021-11-23 03:33:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2021-11-23 03:33:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:33:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:33:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:33:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2021-11-23 03:33:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2021-11-23 03:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-23 03:33:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-23 03:33:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_65 [2021-11-23 03:33:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_65 [2021-11-23 03:33:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:33:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:33:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2021-11-23 03:33:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2021-11-23 03:33:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2021-11-23 03:33:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2021-11-23 03:33:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:33:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:33:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 03:33:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 03:33:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_59 [2021-11-23 03:33:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_59 [2021-11-23 03:33:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2021-11-23 03:33:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2021-11-23 03:33:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 03:33:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 03:33:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:33:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:33:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2021-11-23 03:33:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2021-11-23 03:33:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:33:53,225 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:33:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:33:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-11-23 03:33:53,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-11-23 03:33:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-23 03:33:53,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-23 03:33:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:33:53,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:33:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 03:33:53,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 03:33:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-23 03:33:53,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-23 03:33:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2021-11-23 03:33:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2021-11-23 03:33:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:33:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:33:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2021-11-23 03:33:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2021-11-23 03:33:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:33:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:33:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2021-11-23 03:33:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2021-11-23 03:33:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 03:33:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 03:33:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 03:33:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 03:33:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:33:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:33:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:33:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2021-11-23 03:33:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2021-11-23 03:33:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:33:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_59 [2021-11-23 03:33:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_59 [2021-11-23 03:33:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:33:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:33:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:33:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:33:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-23 03:33:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-23 03:33:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:33:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:33:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2021-11-23 03:33:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2021-11-23 03:33:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 03:33:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 03:33:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2021-11-23 03:33:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2021-11-23 03:33:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2021-11-23 03:33:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2021-11-23 03:33:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-23 03:33:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-23 03:33:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2021-11-23 03:33:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2021-11-23 03:33:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:33:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:33:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-23 03:33:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-23 03:33:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:33:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:33:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:33:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2021-11-23 03:33:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2021-11-23 03:33:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2021-11-23 03:33:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2021-11-23 03:33:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2021-11-23 03:33:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2021-11-23 03:33:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 03:33:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 03:33:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-23 03:33:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-23 03:33:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2021-11-23 03:33:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2021-11-23 03:33:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2021-11-23 03:33:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2021-11-23 03:33:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 03:33:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-23 03:33:53,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-23 03:33:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:33:53,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:33:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2021-11-23 03:33:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2021-11-23 03:33:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 03:33:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 03:33:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:33:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:33:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 03:33:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 03:33:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_60 [2021-11-23 03:33:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_60 [2021-11-23 03:33:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-23 03:33:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-23 03:33:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2021-11-23 03:33:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2021-11-23 03:33:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-23 03:33:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-23 03:33:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2021-11-23 03:33:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2021-11-23 03:33:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:33:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:33:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 03:33:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 03:33:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:33:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:33:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-23 03:33:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2021-11-23 03:33:53,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2021-11-23 03:33:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 03:33:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 03:33:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:33:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-23 03:33:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-23 03:33:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2021-11-23 03:33:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2021-11-23 03:33:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:33:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:33:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2021-11-23 03:33:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2021-11-23 03:33:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 03:33:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 03:33:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:33:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 03:33:53,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 03:33:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 03:33:53,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 03:33:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2021-11-23 03:33:53,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2021-11-23 03:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2021-11-23 03:33:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2021-11-23 03:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-23 03:33:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-23 03:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:33:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:33:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 03:33:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 03:33:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 03:33:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 03:33:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-23 03:33:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-23 03:33:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2021-11-23 03:33:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2021-11-23 03:33:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-23 03:33:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-23 03:33:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2021-11-23 03:33:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2021-11-23 03:33:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:33:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:33:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:33:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:33:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2021-11-23 03:33:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2021-11-23 03:33:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 03:33:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 03:33:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:33:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:33:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2021-11-23 03:33:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2021-11-23 03:33:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-23 03:33:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-23 03:33:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-23 03:33:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-23 03:33:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2021-11-23 03:33:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2021-11-23 03:33:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2021-11-23 03:33:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2021-11-23 03:33:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:33:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:33:53,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:33:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 03:33:53,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 03:33:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 03:33:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 03:33:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2021-11-23 03:33:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2021-11-23 03:33:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2021-11-23 03:33:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2021-11-23 03:33:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-23 03:33:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-23 03:33:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2021-11-23 03:33:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2021-11-23 03:33:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2021-11-23 03:33:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2021-11-23 03:33:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 03:33:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 03:33:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-23 03:33:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-23 03:33:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2021-11-23 03:33:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2021-11-23 03:33:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2021-11-23 03:33:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2021-11-23 03:33:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:33:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:33:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2021-11-23 03:33:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2021-11-23 03:33:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2021-11-23 03:33:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2021-11-23 03:33:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:33:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 03:33:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 03:33:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2021-11-23 03:33:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2021-11-23 03:33:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2021-11-23 03:33:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2021-11-23 03:33:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 03:33:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 03:33:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2021-11-23 03:33:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2021-11-23 03:33:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-23 03:33:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-23 03:33:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-23 03:33:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-23 03:33:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2021-11-23 03:33:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2021-11-23 03:33:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-23 03:33:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-23 03:33:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2021-11-23 03:33:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2021-11-23 03:33:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:33:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:33:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-23 03:33:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-23 03:33:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2021-11-23 03:33:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2021-11-23 03:33:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2021-11-23 03:33:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2021-11-23 03:33:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:33:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:33:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-23 03:33:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-23 03:33:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2021-11-23 03:33:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2021-11-23 03:33:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2021-11-23 03:33:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2021-11-23 03:33:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:33:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:33:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-23 03:33:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-23 03:33:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2021-11-23 03:33:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2021-11-23 03:33:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2021-11-23 03:33:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2021-11-23 03:33:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2021-11-23 03:33:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2021-11-23 03:33:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 03:33:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 03:33:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_60 [2021-11-23 03:33:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_60 [2021-11-23 03:33:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 03:33:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 03:33:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2021-11-23 03:33:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2021-11-23 03:33:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2021-11-23 03:33:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2021-11-23 03:33:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:33:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:33:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 03:33:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 03:33:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2021-11-23 03:33:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2021-11-23 03:33:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2021-11-23 03:33:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2021-11-23 03:33:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:33:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:33:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-23 03:33:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-23 03:33:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2021-11-23 03:33:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2021-11-23 03:33:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 03:33:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 03:33:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2021-11-23 03:33:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2021-11-23 03:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:33:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 03:33:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 03:33:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-23 03:33:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-23 03:33:55,714 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:33:55,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:33:58,349 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:42:15,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:42:15,543 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:42:23,739 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:42:23,739 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-23 03:42:23,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:23 BoogieIcfgContainer [2021-11-23 03:42:23,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:42:23,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:42:23,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:42:23,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:42:23,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:33:36" (1/3) ... [2021-11-23 03:42:23,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1728bf66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:23, skipping insertion in model container [2021-11-23 03:42:23,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:50" (2/3) ... [2021-11-23 03:42:23,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1728bf66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:23, skipping insertion in model container [2021-11-23 03:42:23,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:23" (3/3) ... [2021-11-23 03:42:23,761 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-23 03:42:23,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:42:23,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 03:42:23,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:42:23,840 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 [2021-11-23 03:42:23,840 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 03:42:23,955 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) [2021-11-23 03:42:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2021-11-23 03:42:24,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:24,076 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] [2021-11-23 03:42:24,077 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)] === [2021-11-23 03:42:24,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:24,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1989766276, now seen corresponding path program 1 times [2021-11-23 03:42:24,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:24,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786028674] [2021-11-23 03:42:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:24,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-23 03:42:26,945 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:42:26,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786028674] [2021-11-23 03:42:26,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786028674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:42:26,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:42:26,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:42:26,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121561941] [2021-11-23 03:42:26,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:42:26,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:42:26,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:42:26,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:42:26,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:42:27,000 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) [2021-11-23 03:42:29,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:35,520 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 [] [2021-11-23 03:42:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:42:39,565 INFO L93 Difference]: Finished difference Result 14604 states and 22611 transitions. [2021-11-23 03:42:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:42:39,568 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 [2021-11-23 03:42:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:42:39,672 INFO L225 Difference]: With dead ends: 14604 [2021-11-23 03:42:39,672 INFO L226 Difference]: Without dead ends: 9354 [2021-11-23 03:42:39,715 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 [2021-11-23 03:42:39,719 INFO L933 BasicCegarLoop]: 8605 mSDtfsCounter, 5854 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s 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, 11.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:42:39,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5855 Valid, 15840 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2237 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2021-11-23 03:42:39,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2021-11-23 03:42:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 9350. [2021-11-23 03:42:40,865 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) [2021-11-23 03:42:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9350 states to 9350 states and 14179 transitions. [2021-11-23 03:42:40,964 INFO L78 Accepts]: Start accepts. Automaton has 9350 states and 14179 transitions. Word has length 1521 [2021-11-23 03:42:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:42:40,973 INFO L470 AbstractCegarLoop]: Abstraction has 9350 states and 14179 transitions. [2021-11-23 03:42:40,974 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) [2021-11-23 03:42:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 9350 states and 14179 transitions. [2021-11-23 03:42:41,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2021-11-23 03:42:41,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:41,254 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] [2021-11-23 03:42:41,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:42:41,256 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)] === [2021-11-23 03:42:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2005987703, now seen corresponding path program 1 times [2021-11-23 03:42:41,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:41,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213843337] [2021-11-23 03:42:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:41,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-23 03:42:43,769 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:42:43,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213843337] [2021-11-23 03:42:43,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213843337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:42:43,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:42:43,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:42:43,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712111224] [2021-11-23 03:42:43,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:42:43,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:42:43,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:42:43,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:42:43,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:42:43,777 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) [2021-11-23 03:42:46,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:50,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:55,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:56,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:42:56,982 INFO L93 Difference]: Finished difference Result 25747 states and 39057 transitions. [2021-11-23 03:42:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:42:56,983 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 [2021-11-23 03:42:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:42:57,137 INFO L225 Difference]: With dead ends: 25747 [2021-11-23 03:42:57,137 INFO L226 Difference]: Without dead ends: 16698 [2021-11-23 03:42:57,184 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 [2021-11-23 03:42:57,186 INFO L933 BasicCegarLoop]: 8516 mSDtfsCounter, 5605 mSDsluCounter, 8312 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5605 SdHoareTripleChecker+Valid, 15747 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:42:57,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5605 Valid, 15747 Invalid, 2239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2232 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-11-23 03:42:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16698 states. [2021-11-23 03:42:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16698 to 16673. [2021-11-23 03:42:58,472 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) [2021-11-23 03:42:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16673 states to 16673 states and 25286 transitions. [2021-11-23 03:42:58,558 INFO L78 Accepts]: Start accepts. Automaton has 16673 states and 25286 transitions. Word has length 1545 [2021-11-23 03:42:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:42:58,561 INFO L470 AbstractCegarLoop]: Abstraction has 16673 states and 25286 transitions. [2021-11-23 03:42:58,561 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) [2021-11-23 03:42:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 16673 states and 25286 transitions. [2021-11-23 03:42:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2021-11-23 03:42:58,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:58,596 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] [2021-11-23 03:42:58,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:42:58,598 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)] === [2021-11-23 03:42:58,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash -306707485, now seen corresponding path program 1 times [2021-11-23 03:42:58,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:58,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832072780] [2021-11-23 03:42:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:58,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-23 03:43:00,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:43:00,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832072780] [2021-11-23 03:43:00,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832072780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:00,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:00,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:43:00,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950281792] [2021-11-23 03:43:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:00,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:00,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:43:00,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:00,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:00,721 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) [2021-11-23 03:43:03,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:06,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:12,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:12,706 INFO L93 Difference]: Finished difference Result 48272 states and 73285 transitions. [2021-11-23 03:43:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:12,707 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 [2021-11-23 03:43:12,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:12,889 INFO L225 Difference]: With dead ends: 48272 [2021-11-23 03:43:12,889 INFO L226 Difference]: Without dead ends: 31900 [2021-11-23 03:43:12,968 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 [2021-11-23 03:43:12,973 INFO L933 BasicCegarLoop]: 10545 mSDtfsCounter, 7823 mSDsluCounter, 8046 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7823 SdHoareTripleChecker+Valid, 17551 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:43:12,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7823 Valid, 17551 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2503 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2021-11-23 03:43:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31900 states. [2021-11-23 03:43:15,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31900 to 31854. [2021-11-23 03:43:15,532 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) [2021-11-23 03:43:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31854 states to 31854 states and 48392 transitions. [2021-11-23 03:43:15,686 INFO L78 Accepts]: Start accepts. Automaton has 31854 states and 48392 transitions. Word has length 1546 [2021-11-23 03:43:15,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:15,689 INFO L470 AbstractCegarLoop]: Abstraction has 31854 states and 48392 transitions. [2021-11-23 03:43:15,690 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) [2021-11-23 03:43:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 31854 states and 48392 transitions. [2021-11-23 03:43:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1555 [2021-11-23 03:43:15,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:15,723 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] [2021-11-23 03:43:15,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:43:15,724 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)] === [2021-11-23 03:43:15,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:15,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1154713149, now seen corresponding path program 1 times [2021-11-23 03:43:15,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:43:15,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885929513] [2021-11-23 03:43:15,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:15,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:43:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-23 03:43:17,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:43:17,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885929513] [2021-11-23 03:43:17,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885929513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:17,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:17,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:43:17,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376139146] [2021-11-23 03:43:17,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:17,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:17,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:43:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:17,863 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) [2021-11-23 03:43:20,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:24,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:26,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:29,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:29,878 INFO L93 Difference]: Finished difference Result 77992 states and 118422 transitions. [2021-11-23 03:43:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:29,878 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 [2021-11-23 03:43:29,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:30,137 INFO L225 Difference]: With dead ends: 77992 [2021-11-23 03:43:30,138 INFO L226 Difference]: Without dead ends: 46439 [2021-11-23 03:43:30,389 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 [2021-11-23 03:43:30,392 INFO L933 BasicCegarLoop]: 8586 mSDtfsCounter, 5867 mSDsluCounter, 8334 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s 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, 11.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:43:30,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5868 Valid, 15829 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2226 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-11-23 03:43:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46439 states. [2021-11-23 03:43:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46439 to 46406. [2021-11-23 03:43:33,995 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) [2021-11-23 03:43:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46406 states to 46406 states and 70400 transitions. [2021-11-23 03:43:34,286 INFO L78 Accepts]: Start accepts. Automaton has 46406 states and 70400 transitions. Word has length 1554 [2021-11-23 03:43:34,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:34,288 INFO L470 AbstractCegarLoop]: Abstraction has 46406 states and 70400 transitions. [2021-11-23 03:43:34,288 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) [2021-11-23 03:43:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 46406 states and 70400 transitions. [2021-11-23 03:43:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2021-11-23 03:43:34,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:34,330 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] [2021-11-23 03:43:34,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:43:34,334 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)] === [2021-11-23 03:43:34,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:34,336 INFO L85 PathProgramCache]: Analyzing trace with hash 489759527, now seen corresponding path program 1 times [2021-11-23 03:43:34,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:43:34,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132517253] [2021-11-23 03:43:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:34,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:43:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 90310 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 90306 trivial. 0 not checked. [2021-11-23 03:43:36,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:43:36,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132517253] [2021-11-23 03:43:36,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132517253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:36,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:36,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:43:36,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418843465] [2021-11-23 03:43:36,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:36,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:43:36,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:43:36,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:43:36,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:43:36,421 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) [2021-11-23 03:43:38,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:51,967 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 [] [2021-11-23 03:44:35,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:44:35,966 INFO L93 Difference]: Finished difference Result 184223 states and 280442 transitions. [2021-11-23 03:44:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:44:35,969 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 [2021-11-23 03:44:35,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:44:37,229 INFO L225 Difference]: With dead ends: 184223 [2021-11-23 03:44:37,229 INFO L226 Difference]: Without dead ends: 138118 [2021-11-23 03:44:37,426 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 [2021-11-23 03:44:37,427 INFO L933 BasicCegarLoop]: 20475 mSDtfsCounter, 15779 mSDsluCounter, 25080 mSDsCounter, 0 mSdLazyCounter, 14359 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15783 SdHoareTripleChecker+Valid, 41268 SdHoareTripleChecker+Invalid, 14375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 14359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:44:37,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15783 Valid, 41268 Invalid, 14375 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14 Valid, 14359 Invalid, 2 Unknown, 0 Unchecked, 55.2s Time] [2021-11-23 03:44:37,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138118 states. [2021-11-23 03:44:45,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138118 to 138070. [2021-11-23 03:44:45,575 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) [2021-11-23 03:44:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138070 states to 138070 states and 209875 transitions. [2021-11-23 03:44:46,518 INFO L78 Accepts]: Start accepts. Automaton has 138070 states and 209875 transitions. Word has length 1561 [2021-11-23 03:44:46,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:44:46,520 INFO L470 AbstractCegarLoop]: Abstraction has 138070 states and 209875 transitions. [2021-11-23 03:44:46,520 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) [2021-11-23 03:44:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 138070 states and 209875 transitions. [2021-11-23 03:44:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2021-11-23 03:44:46,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:44:46,577 INFO L514 BasicCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:44:46,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:44:46,577 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)] === [2021-11-23 03:44:46,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:44:46,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1436790548, now seen corresponding path program 1 times [2021-11-23 03:44:46,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:44:46,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275432809] [2021-11-23 03:44:46,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:44:46,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:44:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:44:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-23 03:44:48,735 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:44:48,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275432809] [2021-11-23 03:44:48,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275432809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:44:48,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:44:48,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:44:48,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383595876] [2021-11-23 03:44:48,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:44:48,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:44:48,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:44:48,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:44:48,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:44:48,740 INFO L87 Difference]: Start difference. First operand 138070 states and 209875 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 3 states have call successors, (160), 2 states have call predecessors, (160), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2021-11-23 03:44:51,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:55,904 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 []