./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b4d1109d3d8d53e29825c3b476b87cdd6fec06f9f511afc6c3035bd20ad8bf5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:08:49,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:08:49,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:08:49,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:08:49,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:08:49,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:08:49,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:08:49,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:08:49,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:08:49,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:08:49,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:08:49,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:08:49,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:08:49,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:08:49,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:08:49,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:08:49,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:08:49,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:08:49,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:08:49,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:08:49,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:08:49,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:08:49,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:08:49,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:08:49,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:08:49,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:08:49,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:08:49,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:08:49,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:08:49,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:08:49,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:08:49,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:08:49,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:08:49,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:08:49,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:08:49,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:08:49,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:08:49,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:08:49,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:08:49,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:08:49,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:08:49,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:08:49,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:08:49,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:08:49,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:08:49,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:08:49,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:08:49,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:08:49,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:08:49,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:08:49,767 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:08:49,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:08:49,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:08:49,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:08:49,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:08:49,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:08:49,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:08:49,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:08:49,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:08:49,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:08:49,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:08:49,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:08:49,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:08:49,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:08:49,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:08:49,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:08:49,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:08:49,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:08:49,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:08:49,772 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:08:49,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:08:49,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:08:49,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b4d1109d3d8d53e29825c3b476b87cdd6fec06f9f511afc6c3035bd20ad8bf5 [2022-11-21 17:08:50,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:08:50,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:08:50,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:08:50,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:08:50,069 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:08:50,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i [2022-11-21 17:08:53,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:08:54,108 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:08:54,109 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i [2022-11-21 17:08:54,206 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/data/ca220650f/4befeffb164840139409b9b5a830d023/FLAGf89f010e8 [2022-11-21 17:08:54,226 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/data/ca220650f/4befeffb164840139409b9b5a830d023 [2022-11-21 17:08:54,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:08:54,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:08:54,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:08:54,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:08:54,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:08:54,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:08:54" (1/1) ... [2022-11-21 17:08:54,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2757bf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:54, skipping insertion in model container [2022-11-21 17:08:54,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:08:54" (1/1) ... [2022-11-21 17:08:54,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:08:54,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:09:02,365 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[800980,800993] [2022-11-21 17:09:02,374 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[801146,801159] [2022-11-21 17:09:02,375 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[801310,801323] [2022-11-21 17:09:02,375 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[801475,801488] [2022-11-21 17:09:02,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:09:02,529 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:09:03,547 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[800980,800993] [2022-11-21 17:09:03,549 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[801146,801159] [2022-11-21 17:09:03,550 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[801310,801323] [2022-11-21 17:09:03,550 WARN L237 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_c51cf340-a4cd-42d5-87b3-b125af1d987e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i[801475,801488] [2022-11-21 17:09:03,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:09:03,987 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:09:03,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03 WrapperNode [2022-11-21 17:09:03,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:09:03,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:09:03,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:09:03,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:09:03,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:04,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:04,855 INFO L138 Inliner]: procedures = 733, calls = 11156, calls flagged for inlining = 427, calls inlined = 391, statements flattened = 21334 [2022-11-21 17:09:04,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:09:04,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:09:04,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:09:04,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:09:04,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:04,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:05,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:05,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:05,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:05,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:06,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:06,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:06,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:09:06,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:09:06,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:09:06,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:09:06,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (1/1) ... [2022-11-21 17:09:06,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:09:06,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:06,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:09:06,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51cf340-a4cd-42d5-87b3-b125af1d987e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-21 17:09:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-21 17:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2022-11-21 17:09:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2022-11-21 17:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-21 17:09:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-21 17:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-21 17:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:09:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-21 17:09:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-21 17:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-21 17:09:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-21 17:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2022-11-21 17:09:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2022-11-21 17:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 17:09:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 17:09:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 17:09:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 17:09:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:09:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:09:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-21 17:09:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-21 17:09:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-21 17:09:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-21 17:09:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-21 17:09:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-21 17:09:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-21 17:09:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-21 17:09:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 17:09:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 17:09:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_lbs_private [2022-11-21 17:09:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_lbs_private [2022-11-21 17:09:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-21 17:09:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-21 17:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-21 17:09:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-21 17:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-21 17:09:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-21 17:09:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:09:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:09:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2022-11-21 17:09:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2022-11-21 17:09:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-21 17:09:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-21 17:09:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-21 17:09:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-21 17:09:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2022-11-21 17:09:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2022-11-21 17:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 17:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 17:09:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 17:09:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 17:09:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 17:09:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-21 17:09:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-21 17:09:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 17:09:06,345 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 17:09:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 17:09:06,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 17:09:06,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-21 17:09:06,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-21 17:09:06,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:09:06,347 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:09:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-21 17:09:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_16 [2022-11-21 17:09:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_16 [2022-11-21 17:09:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-21 17:09:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-21 17:09:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-21 17:09:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-21 17:09:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-21 17:09:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-21 17:09:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-21 17:09:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-21 17:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-21 17:09:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-21 17:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure auto_deepsleep_timer_fn [2022-11-21 17:09:06,351 INFO L138 BoogieDeclarations]: Found implementation of procedure auto_deepsleep_timer_fn [2022-11-21 17:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-21 17:09:06,351 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-21 17:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2022-11-21 17:09:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2022-11-21 17:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-21 17:09:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-21 17:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-21 17:09:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-21 17:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2022-11-21 17:09:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2022-11-21 17:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-21 17:09:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-21 17:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-21 17:09:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-21 17:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 17:09:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 17:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-21 17:09:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-21 17:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-21 17:09:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-21 17:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-21 17:09:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-21 17:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2022-11-21 17:09:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2022-11-21 17:09:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-21 17:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-21 17:09:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-21 17:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-21 17:09:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:09:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 17:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 17:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_28_2 [2022-11-21 17:09:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_28_2 [2022-11-21 17:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-21 17:09:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-21 17:09:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-21 17:09:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-21 17:09:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-21 17:09:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-21 17:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-21 17:09:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-21 17:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-21 17:09:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-21 17:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-21 17:09:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-21 17:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-21 17:09:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-21 17:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 17:09:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 17:09:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-21 17:09:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-21 17:09:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:09:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:09:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:09:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 17:09:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 17:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-21 17:09:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-21 17:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-21 17:09:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-21 17:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-21 17:09:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-21 17:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 17:09:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 17:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-21 17:09:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-21 17:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-21 17:09:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-21 17:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-21 17:09:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-21 17:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-21 17:09:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-21 17:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-21 17:09:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-21 17:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-21 17:09:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-21 17:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-21 17:09:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-21 17:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-21 17:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-21 17:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 17:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 17:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-21 17:09:06,380 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-21 17:09:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 17:09:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 17:09:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-21 17:09:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-21 17:09:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:09:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-21 17:09:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-21 17:09:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-21 17:09:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 17:09:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 17:09:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 17:09:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 17:09:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-21 17:09:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-21 17:09:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-21 17:09:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-21 17:09:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 17:09:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:09:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-21 17:09:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-21 17:09:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 17:09:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-21 17:09:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-21 17:09:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-21 17:09:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-21 17:09:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 17:09:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:09:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:09:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-21 17:09:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 17:09:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-21 17:09:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-21 17:09:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:09:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:09:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-21 17:09:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-21 17:09:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 17:09:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 17:09:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-21 17:09:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-21 17:09:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2022-11-21 17:09:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2022-11-21 17:09:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-21 17:09:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-21 17:09:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_15 [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_15 [2022-11-21 17:09:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 17:09:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-21 17:09:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-21 17:09:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-21 17:09:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 17:09:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-21 17:09:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-21 17:09:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2022-11-21 17:09:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 17:09:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:09:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 17:09:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 17:09:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2022-11-21 17:09:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2022-11-21 17:09:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-21 17:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-21 17:09:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-21 17:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-21 17:09:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 17:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 17:09:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:09:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2022-11-21 17:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2022-11-21 17:09:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-21 17:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-21 17:09:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:09:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-21 17:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-21 17:09:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-21 17:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-21 17:09:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 17:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 17:09:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 17:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 17:09:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2022-11-21 17:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2022-11-21 17:09:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-21 17:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-21 17:09:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2022-11-21 17:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2022-11-21 17:09:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-21 17:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-21 17:09:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 17:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 17:09:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 17:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 17:09:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-21 17:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-21 17:09:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 17:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 17:09:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-21 17:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-21 17:09:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 17:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 17:09:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-21 17:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-21 17:09:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-21 17:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-21 17:09:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-21 17:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-21 17:09:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-21 17:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-21 17:09:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2022-11-21 17:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2022-11-21 17:09:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-21 17:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-21 17:09:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-21 17:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-21 17:09:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 17:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 17:09:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-21 17:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-21 17:09:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-21 17:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-21 17:09:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 17:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 17:09:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-21 17:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-21 17:09:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:09:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-21 17:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-21 17:09:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-21 17:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-21 17:09:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-21 17:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-21 17:09:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:09:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-21 17:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-21 17:09:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 17:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 17:09:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:09:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-21 17:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-21 17:09:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_33_2 [2022-11-21 17:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_33_2 [2022-11-21 17:09:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-21 17:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-21 17:09:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-21 17:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-21 17:09:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 17:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 17:09:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_28 [2022-11-21 17:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_28 [2022-11-21 17:09:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-21 17:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-21 17:09:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-21 17:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-21 17:09:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-21 17:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-21 17:09:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-21 17:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-21 17:09:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2022-11-21 17:09:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2022-11-21 17:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 17:09:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 17:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-21 17:09:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-21 17:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-21 17:09:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-21 17:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 17:09:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 17:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-21 17:09:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-21 17:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-21 17:09:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-21 17:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-21 17:09:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-21 17:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-21 17:09:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-21 17:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 17:09:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 17:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-21 17:09:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-21 17:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-21 17:09:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-21 17:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-21 17:09:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-21 17:09:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-21 17:09:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-21 17:09:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-21 17:09:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:09:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 17:09:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 17:09:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-21 17:09:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-21 17:09:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_lbs_private [2022-11-21 17:09:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_lbs_private [2022-11-21 17:09:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-21 17:09:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-21 17:09:08,814 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:09:08,818 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:09:11,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:17:57,723 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:17:57,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:17:57,766 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-21 17:17:57,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:57 BoogieIcfgContainer [2022-11-21 17:17:57,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:17:57,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:17:57,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:17:57,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:17:57,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:08:54" (1/3) ... [2022-11-21 17:17:57,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b7bb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:17:57, skipping insertion in model container [2022-11-21 17:17:57,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:03" (2/3) ... [2022-11-21 17:17:57,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b7bb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:17:57, skipping insertion in model container [2022-11-21 17:17:57,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:57" (3/3) ... [2022-11-21 17:17:57,786 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-libertas-libertas.cil.i [2022-11-21 17:17:57,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:17:57,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-21 17:17:57,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:17:57,993 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ccd6d52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:17:57,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-21 17:17:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 5709 states, 3859 states have (on average 1.3197719616480954) internal successors, (5093), 4045 states have internal predecessors, (5093), 1657 states have call successors, (1657), 192 states have call predecessors, (1657), 191 states have return successors, (1637), 1587 states have call predecessors, (1637), 1637 states have call successors, (1637) [2022-11-21 17:17:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 17:17:58,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:17:58,033 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 17:17:58,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 17:17:58,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:58,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1669039828, now seen corresponding path program 1 times [2022-11-21 17:17:58,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:58,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483641745] [2022-11-21 17:17:58,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:18:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:18:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 17:18:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:18:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 17:18:03,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:18:03,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483641745] [2022-11-21 17:18:03,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483641745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:03,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:03,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:18:03,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663572660] [2022-11-21 17:18:03,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:03,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:18:03,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:18:03,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:18:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:18:03,740 INFO L87 Difference]: Start difference. First operand has 5709 states, 3859 states have (on average 1.3197719616480954) internal successors, (5093), 4045 states have internal predecessors, (5093), 1657 states have call successors, (1657), 192 states have call predecessors, (1657), 191 states have return successors, (1637), 1587 states have call predecessors, (1637), 1637 states have call successors, (1637) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 17:18:06,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:15,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:25,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:26,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:28,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:31,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:37,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:40,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:45,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:18:45,433 INFO L93 Difference]: Finished difference Result 12035 states and 18424 transitions. [2022-11-21 17:18:45,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:18:45,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2022-11-21 17:18:45,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:18:45,529 INFO L225 Difference]: With dead ends: 12035 [2022-11-21 17:18:45,529 INFO L226 Difference]: Without dead ends: 6309 [2022-11-21 17:18:45,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:18:45,594 INFO L413 NwaCegarLoop]: 7238 mSDtfsCounter, 1818 mSDsluCounter, 9157 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 1789 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 16395 SdHoareTripleChecker+Invalid, 7744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1789 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:18:45,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 16395 Invalid, 7744 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1789 Valid, 5948 Invalid, 7 Unknown, 0 Unchecked, 40.4s Time] [2022-11-21 17:18:45,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6309 states. [2022-11-21 17:18:46,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6309 to 5683. [2022-11-21 17:18:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5683 states, 3847 states have (on average 1.3036132050948792) internal successors, (5015), 4017 states have internal predecessors, (5015), 1636 states have call successors, (1636), 198 states have call predecessors, (1636), 197 states have return successors, (1633), 1583 states have call predecessors, (1633), 1633 states have call successors, (1633) [2022-11-21 17:18:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5683 states to 5683 states and 8284 transitions. [2022-11-21 17:18:46,465 INFO L78 Accepts]: Start accepts. Automaton has 5683 states and 8284 transitions. Word has length 44 [2022-11-21 17:18:46,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:18:46,467 INFO L495 AbstractCegarLoop]: Abstraction has 5683 states and 8284 transitions. [2022-11-21 17:18:46,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 17:18:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5683 states and 8284 transitions. [2022-11-21 17:18:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-21 17:18:46,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:18:46,474 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:46,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:18:46,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 17:18:46,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1954579033, now seen corresponding path program 1 times [2022-11-21 17:18:46,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:46,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074643196] [2022-11-21 17:18:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:18:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:18:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:18:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:18:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:18:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 17:18:52,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:18:52,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074643196] [2022-11-21 17:18:52,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074643196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:52,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:52,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:18:52,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9350118] [2022-11-21 17:18:52,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:52,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:18:52,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:18:52,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:18:52,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:18:52,365 INFO L87 Difference]: Start difference. First operand 5683 states and 8284 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 17:18:54,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:56,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:10,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:23,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:25,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:35,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:38,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:40,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:50,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:19:50,035 INFO L93 Difference]: Finished difference Result 6712 states and 9964 transitions. [2022-11-21 17:19:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:19:50,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2022-11-21 17:19:50,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:19:50,101 INFO L225 Difference]: With dead ends: 6712 [2022-11-21 17:19:50,101 INFO L226 Difference]: Without dead ends: 6710 [2022-11-21 17:19:50,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:19:50,112 INFO L413 NwaCegarLoop]: 6809 mSDtfsCounter, 10698 mSDsluCounter, 17921 mSDsCounter, 0 mSdLazyCounter, 12120 mSolverCounterSat, 5468 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11994 SdHoareTripleChecker+Valid, 24730 SdHoareTripleChecker+Invalid, 17596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 5468 IncrementalHoareTripleChecker+Valid, 12120 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:19:50,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11994 Valid, 24730 Invalid, 17596 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [5468 Valid, 12120 Invalid, 8 Unknown, 0 Unchecked, 56.2s Time] [2022-11-21 17:19:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6710 states. [2022-11-21 17:19:50,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 5687. [2022-11-21 17:19:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 3850 states have (on average 1.3033766233766233) internal successors, (5018), 4020 states have internal predecessors, (5018), 1636 states have call successors, (1636), 199 states have call predecessors, (1636), 198 states have return successors, (1633), 1583 states have call predecessors, (1633), 1633 states have call successors, (1633) [2022-11-21 17:19:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8287 transitions. [2022-11-21 17:19:50,725 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8287 transitions. Word has length 60 [2022-11-21 17:19:50,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:19:50,726 INFO L495 AbstractCegarLoop]: Abstraction has 5687 states and 8287 transitions. [2022-11-21 17:19:50,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 17:19:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8287 transitions. [2022-11-21 17:19:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-21 17:19:50,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:50,739 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:19:50,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:19:50,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 17:19:50,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:50,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1408811120, now seen corresponding path program 1 times [2022-11-21 17:19:50,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:50,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685284054] [2022-11-21 17:19:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:50,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:19:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:19:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:19:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:19:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:19:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:19:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 17:19:55,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:19:55,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685284054] [2022-11-21 17:19:55,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685284054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:19:55,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:19:55,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:19:55,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729057530] [2022-11-21 17:19:55,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:19:55,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:19:55,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:19:55,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:19:55,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:19:55,767 INFO L87 Difference]: Start difference. First operand 5687 states and 8287 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 17:19:58,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:00,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:12,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:23,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:36,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:38,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:42,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:49,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:20:49,227 INFO L93 Difference]: Finished difference Result 7625 states and 11166 transitions. [2022-11-21 17:20:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:20:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-11-21 17:20:49,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:20:49,291 INFO L225 Difference]: With dead ends: 7625 [2022-11-21 17:20:49,291 INFO L226 Difference]: Without dead ends: 7623 [2022-11-21 17:20:49,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:20:49,298 INFO L413 NwaCegarLoop]: 6896 mSDtfsCounter, 8233 mSDsluCounter, 20833 mSDsCounter, 0 mSdLazyCounter, 14694 mSolverCounterSat, 5105 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9300 SdHoareTripleChecker+Valid, 27729 SdHoareTripleChecker+Invalid, 19806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5105 IncrementalHoareTripleChecker+Valid, 14694 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:20:49,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9300 Valid, 27729 Invalid, 19806 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5105 Valid, 14694 Invalid, 7 Unknown, 0 Unchecked, 52.0s Time] [2022-11-21 17:20:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7623 states. [2022-11-21 17:20:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7623 to 6473. [2022-11-21 17:20:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 4390 states have (on average 1.2970387243735764) internal successors, (5694), 4572 states have internal predecessors, (5694), 1803 states have call successors, (1803), 275 states have call predecessors, (1803), 277 states have return successors, (1805), 1752 states have call predecessors, (1805), 1800 states have call successors, (1805) [2022-11-21 17:20:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9302 transitions. [2022-11-21 17:20:49,970 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 9302 transitions. Word has length 65 [2022-11-21 17:20:49,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:20:49,973 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 9302 transitions. [2022-11-21 17:20:49,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 17:20:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 9302 transitions. [2022-11-21 17:20:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 17:20:49,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:20:49,978 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:49,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:20:49,978 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 17:20:49,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash 438715513, now seen corresponding path program 1 times [2022-11-21 17:20:49,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:49,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384473184] [2022-11-21 17:20:49,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:20:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:20:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:20:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:20:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:20:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:20:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 17:20:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 17:20:54,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:54,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384473184] [2022-11-21 17:20:54,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384473184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:54,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:54,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:20:54,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755526406] [2022-11-21 17:20:54,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:54,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:20:54,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:54,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:20:54,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:20:54,387 INFO L87 Difference]: Start difference. First operand 6473 states and 9302 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 17:20:56,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:58,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:08,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:18,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:21,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:22,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:24,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:29,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:31,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:39,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:41,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:44,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:51,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:21:51,569 INFO L93 Difference]: Finished difference Result 7804 states and 11372 transitions. [2022-11-21 17:21:51,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:21:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2022-11-21 17:21:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:21:51,615 INFO L225 Difference]: With dead ends: 7804 [2022-11-21 17:21:51,615 INFO L226 Difference]: Without dead ends: 7800 [2022-11-21 17:21:51,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:21:51,619 INFO L413 NwaCegarLoop]: 6796 mSDtfsCounter, 10616 mSDsluCounter, 18205 mSDsCounter, 0 mSdLazyCounter, 12482 mSolverCounterSat, 5532 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11844 SdHoareTripleChecker+Valid, 25001 SdHoareTripleChecker+Invalid, 18025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5532 IncrementalHoareTripleChecker+Valid, 12482 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:21:51,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11844 Valid, 25001 Invalid, 18025 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5532 Valid, 12482 Invalid, 11 Unknown, 0 Unchecked, 55.9s Time] [2022-11-21 17:21:51,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7800 states. [2022-11-21 17:21:52,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7800 to 6598. [2022-11-21 17:21:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6598 states, 4478 states have (on average 1.2943278249218402) internal successors, (5796), 4661 states have internal predecessors, (5796), 1818 states have call successors, (1818), 298 states have call predecessors, (1818), 299 states have return successors, (1820), 1767 states have call predecessors, (1820), 1815 states have call successors, (1820) [2022-11-21 17:21:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6598 states to 6598 states and 9434 transitions. [2022-11-21 17:21:52,189 INFO L78 Accepts]: Start accepts. Automaton has 6598 states and 9434 transitions. Word has length 70 [2022-11-21 17:21:52,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:21:52,190 INFO L495 AbstractCegarLoop]: Abstraction has 6598 states and 9434 transitions. [2022-11-21 17:21:52,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 17:21:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 6598 states and 9434 transitions. [2022-11-21 17:21:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 17:21:52,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:21:52,193 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:21:52,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:21:52,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 17:21:52,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:21:52,194 INFO L85 PathProgramCache]: Analyzing trace with hash 142606576, now seen corresponding path program 1 times [2022-11-21 17:21:52,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:21:52,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383140765] [2022-11-21 17:21:52,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:21:52,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:21:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:21:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:21:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:21:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:21:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 17:21:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:21:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:21:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:21:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:21:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 17:21:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:21:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:21:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 17:21:55,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:21:55,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383140765] [2022-11-21 17:21:55,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383140765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:21:55,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:21:55,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:21:55,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114072484] [2022-11-21 17:21:55,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:21:55,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:21:55,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:21:55,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:21:55,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:21:55,786 INFO L87 Difference]: Start difference. First operand 6598 states and 9434 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 17:21:58,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:00,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:10,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:20,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:23,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:25,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:27,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:31,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:33,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:35,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:37,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:43,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:45,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:48,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:22:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:22:53,402 INFO L93 Difference]: Finished difference Result 7800 states and 11368 transitions. [2022-11-21 17:22:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:22:53,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2022-11-21 17:22:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:22:53,442 INFO L225 Difference]: With dead ends: 7800 [2022-11-21 17:22:53,442 INFO L226 Difference]: Without dead ends: 7616 [2022-11-21 17:22:53,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:22:53,448 INFO L413 NwaCegarLoop]: 6866 mSDtfsCounter, 10588 mSDsluCounter, 18080 mSDsCounter, 0 mSdLazyCounter, 12188 mSolverCounterSat, 5470 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11883 SdHoareTripleChecker+Valid, 24946 SdHoareTripleChecker+Invalid, 17672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5470 IncrementalHoareTripleChecker+Valid, 12188 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:22:53,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11883 Valid, 24946 Invalid, 17672 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5470 Valid, 12188 Invalid, 14 Unknown, 0 Unchecked, 56.4s Time] [2022-11-21 17:22:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2022-11-21 17:22:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 6414. [2022-11-21 17:22:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6414 states, 4358 states have (on average 1.2948600275355668) internal successors, (5643), 4530 states have internal predecessors, (5643), 1759 states have call successors, (1759), 292 states have call predecessors, (1759), 295 states have return successors, (1764), 1711 states have call predecessors, (1764), 1759 states have call successors, (1764) [2022-11-21 17:22:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6414 states to 6414 states and 9166 transitions. [2022-11-21 17:22:54,023 INFO L78 Accepts]: Start accepts. Automaton has 6414 states and 9166 transitions. Word has length 75 [2022-11-21 17:22:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:22:54,024 INFO L495 AbstractCegarLoop]: Abstraction has 6414 states and 9166 transitions. [2022-11-21 17:22:54,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 17:22:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 6414 states and 9166 transitions. [2022-11-21 17:22:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2076 [2022-11-21 17:22:54,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:22:54,191 INFO L195 NwaCegarLoop]: trace histogram [137, 137, 137, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 47, 47, 42, 42, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:22:54,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:22:54,192 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 17:22:54,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:22:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash 473647284, now seen corresponding path program 1 times [2022-11-21 17:22:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:22:54,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487955792] [2022-11-21 17:22:54,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:22:54,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms