./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 --- Real Ultimate output --- [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-5e519f3 [2022-11-03 02:45:47,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:45:47,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:45:47,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:45:47,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:45:47,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:45:47,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:45:47,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:45:47,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:45:47,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:45:47,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:45:47,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:45:47,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:45:47,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:45:47,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:45:47,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:45:47,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:45:47,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:45:47,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:45:47,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:45:47,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:45:47,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:45:47,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:45:47,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:45:47,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:45:47,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:45:47,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:45:47,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:45:47,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:45:47,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:45:47,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:45:47,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:45:47,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:45:47,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:45:47,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:45:47,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:45:47,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:45:47,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:45:47,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:45:47,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:45:47,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:45:47,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:45:47,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:45:47,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:45:47,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:45:47,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:45:47,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:45:47,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:45:47,203 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:45:47,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:45:47,203 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:45:47,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:45:47,204 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:45:47,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:45:47,205 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:45:47,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:45:47,205 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:45:47,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:45:47,206 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:45:47,206 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:45:47,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:45:47,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:45:47,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:45:47,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:45:47,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:45:47,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:45:47,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:45:47,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:45:47,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:45:47,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:45:47,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:45:47,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:47,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:45:47,211 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:45:47,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:45:47,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:45:47,211 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:45:47,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:45:47,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:45:47,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:45:47,212 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_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02471c2dadff215655f9cac8e155a6dfd7f7fd622aa50515f4bca55da1c7d987 [2022-11-03 02:45:47,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:45:47,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:45:47,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:45:47,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:45:47,529 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:45:47,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-03 02:45:47,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/data/5cf5edb18/2ad7c73a31cc41ef8980b9f7b572f2e8/FLAG83f47aaeb [2022-11-03 02:45:49,112 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:45:49,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-03 02:45:49,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/data/5cf5edb18/2ad7c73a31cc41ef8980b9f7b572f2e8/FLAG83f47aaeb [2022-11-03 02:45:49,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/data/5cf5edb18/2ad7c73a31cc41ef8980b9f7b572f2e8 [2022-11-03 02:45:49,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:45:49,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:45:49,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:49,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:45:49,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:45:49,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:49" (1/1) ... [2022-11-03 02:45:49,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4e2e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:49, skipping insertion in model container [2022-11-03 02:45:49,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:49" (1/1) ... [2022-11-03 02:45:49,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:45:49,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:46:02,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2022-11-03 02:46:02,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2022-11-03 02:46:02,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2022-11-03 02:46:02,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2022-11-03 02:46:02,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:46:02,206 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:46:03,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906568,906581] [2022-11-03 02:46:03,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906737,906750] [2022-11-03 02:46:03,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[906904,906917] [2022-11-03 02:46:03,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907072,907085] [2022-11-03 02:46:03,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:46:03,669 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:46:03,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03 WrapperNode [2022-11-03 02:46:03,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:46:03,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:46:03,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:46:03,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:46:03,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:04,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:04,658 INFO L138 Inliner]: procedures = 898, calls = 11560, calls flagged for inlining = 524, calls inlined = 478, statements flattened = 24388 [2022-11-03 02:46:04,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:46:04,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:46:04,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:46:04,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:46:04,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:04,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:04,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:04,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:05,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:05,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:05,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:05,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:05,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:46:05,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:46:05,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:46:05,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:46:05,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (1/1) ... [2022-11-03 02:46:05,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:46:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:46:05,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:46:05,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999c149a-9e09-4a4e-9eaa-0a80f861fde3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:46:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-03 02:46:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-03 02:46:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2022-11-03 02:46:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2022-11-03 02:46:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 02:46:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-03 02:46:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-03 02:46:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2022-11-03 02:46:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2022-11-03 02:46:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:46:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:46:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-03 02:46:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-03 02:46:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-03 02:46:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-03 02:46:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-03 02:46:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-03 02:46:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:46:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:46:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-03 02:46:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-03 02:46:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-03 02:46:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-03 02:46:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-03 02:46:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-03 02:46:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:46:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:46:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:46:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-03 02:46:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-03 02:46:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-03 02:46:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-03 02:46:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-03 02:46:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-03 02:46:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-03 02:46:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-03 02:46:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-03 02:46:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-03 02:46:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:46:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:46:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2022-11-03 02:46:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2022-11-03 02:46:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-03 02:46:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-03 02:46:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-03 02:46:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-03 02:46:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-03 02:46:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-03 02:46:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2022-11-03 02:46:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2022-11-03 02:46:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-03 02:46:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-03 02:46:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-03 02:46:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-03 02:46:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-03 02:46:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-03 02:46:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-03 02:46:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-03 02:46:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-03 02:46:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-03 02:46:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 02:46:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 02:46:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-03 02:46:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-03 02:46:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:46:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:46:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:46:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2022-11-03 02:46:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2022-11-03 02:46:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:46:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:46:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-03 02:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-03 02:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-03 02:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-03 02:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-03 02:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-03 02:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 02:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 02:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 02:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 02:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-03 02:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-03 02:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-03 02:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-03 02:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-03 02:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-03 02:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-03 02:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-03 02:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_65 [2022-11-03 02:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_65 [2022-11-03 02:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-03 02:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-03 02:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-03 02:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-03 02:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:46:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:46:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_59 [2022-11-03 02:46:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_59 [2022-11-03 02:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-03 02:46:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-03 02:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 02:46:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 02:46:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:46:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:46:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-03 02:46:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-03 02:46:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:46:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:46:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:46:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-03 02:46:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-03 02:46:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2022-11-03 02:46:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2022-11-03 02:46:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 02:46:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 02:46:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:46:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:46:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-03 02:46:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-03 02:46:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2022-11-03 02:46:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2022-11-03 02:46:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:46:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:46:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-03 02:46:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-03 02:46:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:46:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:46:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-03 02:46:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-03 02:46:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-03 02:46:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-03 02:46:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 02:46:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 02:46:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:46:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:46:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:46:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2022-11-03 02:46:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2022-11-03 02:46:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:46:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_59 [2022-11-03 02:46:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_59 [2022-11-03 02:46:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:46:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:46:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:46:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:46:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2022-11-03 02:46:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2022-11-03 02:46:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:46:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:46:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-03 02:46:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-03 02:46:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:46:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:46:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-03 02:46:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-03 02:46:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-03 02:46:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-03 02:46:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-03 02:46:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-03 02:46:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-03 02:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-03 02:46:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:46:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-03 02:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-03 02:46:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:46:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:46:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-03 02:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-03 02:46:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-03 02:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-03 02:46:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-03 02:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-03 02:46:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 02:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 02:46:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-03 02:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-03 02:46:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-03 02:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-03 02:46:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-03 02:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-03 02:46:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 02:46:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-03 02:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-03 02:46:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:46:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-03 02:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-03 02:46:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 02:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 02:46:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:46:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:46:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_60 [2022-11-03 02:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_60 [2022-11-03 02:46:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-03 02:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-03 02:46:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-03 02:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-03 02:46:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-03 02:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-03 02:46:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2022-11-03 02:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2022-11-03 02:46:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:46:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:46:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:46:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:46:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:46:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-03 02:46:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-03 02:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-03 02:46:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:46:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:46:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-03 02:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-03 02:46:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2022-11-03 02:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2022-11-03 02:46:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:46:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2022-11-03 02:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2022-11-03 02:46:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 02:46:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 02:46:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:46:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:46:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:46:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 02:46:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 02:46:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-03 02:46:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-03 02:46:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:46:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-03 02:46:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-03 02:46:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-03 02:46:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-03 02:46:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:46:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:46:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 02:46:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 02:46:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:46:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-03 02:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-03 02:46:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-03 02:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-03 02:46:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-03 02:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-03 02:46:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-03 02:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-03 02:46:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:46:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:46:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-03 02:46:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-03 02:46:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:46:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:46:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:46:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:46:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-03 02:46:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-03 02:46:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:46:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:46:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 02:46:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 02:46:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-03 02:46:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-03 02:46:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-03 02:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-03 02:46:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:46:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:46:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:46:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:46:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-03 02:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-03 02:46:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-03 02:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-03 02:46:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-03 02:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-03 02:46:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-03 02:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-03 02:46:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-03 02:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-03 02:46:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:46:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-03 02:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-03 02:46:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-03 02:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-03 02:46:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-03 02:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-03 02:46:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:46:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:46:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2022-11-03 02:46:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2022-11-03 02:46:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-03 02:46:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-03 02:46:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:46:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:46:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-03 02:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-03 02:46:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2022-11-03 02:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2022-11-03 02:46:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:46:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:46:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-03 02:46:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-03 02:46:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-03 02:46:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-03 02:46:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2022-11-03 02:46:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2022-11-03 02:46:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2022-11-03 02:46:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2022-11-03 02:46:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-03 02:46:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-03 02:46:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2022-11-03 02:46:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2022-11-03 02:46:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:46:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-03 02:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-03 02:46:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-03 02:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-03 02:46:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2022-11-03 02:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2022-11-03 02:46:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:46:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-03 02:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-03 02:46:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-03 02:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-03 02:46:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-03 02:46:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-03 02:46:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:46:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:46:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 02:46:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 02:46:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-03 02:46:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-03 02:46:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-03 02:46:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-03 02:46:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-03 02:46:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-03 02:46:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:46:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:46:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_60 [2022-11-03 02:46:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_60 [2022-11-03 02:46:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 02:46:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 02:46:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-03 02:46:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-03 02:46:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2022-11-03 02:46:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2022-11-03 02:46:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:46:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:46:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:46:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:46:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-03 02:46:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-03 02:46:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-03 02:46:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-03 02:46:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:46:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:46:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-03 02:46:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-03 02:46:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-03 02:46:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-03 02:46:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 02:46:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 02:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-03 02:46:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-03 02:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:46:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 02:46:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 02:46:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-03 02:46:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-03 02:46:08,610 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:46:08,615 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:46:11,414 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:55:43,057 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:55:43,417 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:55:54,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:55:54,111 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-03 02:55:54,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:55:54 BoogieIcfgContainer [2022-11-03 02:55:54,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:55:54,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:55:54,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:55:54,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:55:54,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:45:49" (1/3) ... [2022-11-03 02:55:54,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7191eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:55:54, skipping insertion in model container [2022-11-03 02:55:54,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:03" (2/3) ... [2022-11-03 02:55:54,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7191eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:55:54, skipping insertion in model container [2022-11-03 02:55:54,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:55:54" (3/3) ... [2022-11-03 02:55:54,141 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-03 02:55:54,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:55:54,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 02:55:54,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:55:54,340 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6fa95dfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:55:54,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-03 02:55:54,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 5540 states, 3476 states have (on average 1.345512082853855) internal successors, (4677), 3548 states have internal predecessors, (4677), 1871 states have call successors, (1871), 193 states have call predecessors, (1871), 192 states have return successors, (1864), 1852 states have call predecessors, (1864), 1864 states have call successors, (1864) [2022-11-03 02:55:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2022-11-03 02:55:54,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:55:54,507 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:55:54,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:55:54,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:55:54,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1989766276, now seen corresponding path program 1 times [2022-11-03 02:55:54,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:55:54,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718590864] [2022-11-03 02:55:54,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:55:54,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:55:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2022-11-03 02:56:01,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:01,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718590864] [2022-11-03 02:56:01,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718590864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:01,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:01,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:56:01,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457797865] [2022-11-03 02:56:01,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:01,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:56:01,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:56:01,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:01,459 INFO L87 Difference]: Start difference. First operand has 5540 states, 3476 states have (on average 1.345512082853855) internal successors, (4677), 3548 states have internal predecessors, (4677), 1871 states have call successors, (1871), 193 states have call predecessors, (1871), 192 states have return successors, (1864), 1852 states have call predecessors, (1864), 1864 states have call successors, (1864) Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (155), 2 states have call predecessors, (155), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2022-11-03 02:56:04,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:10,848 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 [] [2022-11-03 02:56:15,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:15,613 INFO L93 Difference]: Finished difference Result 14604 states and 22611 transitions. [2022-11-03 02:56:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:56:15,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (155), 2 states have call predecessors, (155), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) Word has length 1521 [2022-11-03 02:56:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:15,723 INFO L225 Difference]: With dead ends: 14604 [2022-11-03 02:56:15,723 INFO L226 Difference]: Without dead ends: 9354 [2022-11-03 02:56:15,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:15,783 INFO L413 NwaCegarLoop]: 8605 mSDtfsCounter, 5854 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5855 SdHoareTripleChecker+Valid, 15840 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:15,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5855 Valid, 15840 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2237 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2022-11-03 02:56:15,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2022-11-03 02:56:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 9350. [2022-11-03 02:56:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9350 states, 5884 states have (on average 1.346702923181509) internal successors, (7924), 5999 states have internal predecessors, (7924), 3129 states have call successors, (3129), 335 states have call predecessors, (3129), 334 states have return successors, (3126), 3112 states have call predecessors, (3126), 3125 states have call successors, (3126) [2022-11-03 02:56:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9350 states to 9350 states and 14179 transitions. [2022-11-03 02:56:16,822 INFO L78 Accepts]: Start accepts. Automaton has 9350 states and 14179 transitions. Word has length 1521 [2022-11-03 02:56:16,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:16,827 INFO L495 AbstractCegarLoop]: Abstraction has 9350 states and 14179 transitions. [2022-11-03 02:56:16,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (155), 2 states have call predecessors, (155), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2022-11-03 02:56:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 9350 states and 14179 transitions. [2022-11-03 02:56:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2022-11-03 02:56:17,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:17,019 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:56:17,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:56:17,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:56:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:17,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2005987703, now seen corresponding path program 1 times [2022-11-03 02:56:17,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:17,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833940058] [2022-11-03 02:56:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:17,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2022-11-03 02:56:20,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:20,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833940058] [2022-11-03 02:56:20,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833940058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:20,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:20,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:56:20,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920302142] [2022-11-03 02:56:20,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:20,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:56:20,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:20,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:56:20,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:20,464 INFO L87 Difference]: Start difference. First operand 9350 states and 14179 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2022-11-03 02:56:22,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:27,561 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 [] [2022-11-03 02:56:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:35,164 INFO L93 Difference]: Finished difference Result 25747 states and 39057 transitions. [2022-11-03 02:56:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:56:35,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) Word has length 1545 [2022-11-03 02:56:35,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:35,322 INFO L225 Difference]: With dead ends: 25747 [2022-11-03 02:56:35,322 INFO L226 Difference]: Without dead ends: 16698 [2022-11-03 02:56:35,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:35,379 INFO L413 NwaCegarLoop]: 8516 mSDtfsCounter, 5605 mSDsluCounter, 8312 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5605 SdHoareTripleChecker+Valid, 15747 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:35,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5605 Valid, 15747 Invalid, 2239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2232 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2022-11-03 02:56:35,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16698 states. [2022-11-03 02:56:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16698 to 16673. [2022-11-03 02:56:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16673 states, 10486 states have (on average 1.3476063322525271) internal successors, (14131), 10683 states have internal predecessors, (14131), 5578 states have call successors, (5578), 607 states have call predecessors, (5578), 606 states have return successors, (5577), 5556 states have call predecessors, (5577), 5574 states have call successors, (5577) [2022-11-03 02:56:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16673 states to 16673 states and 25286 transitions. [2022-11-03 02:56:36,720 INFO L78 Accepts]: Start accepts. Automaton has 16673 states and 25286 transitions. Word has length 1545 [2022-11-03 02:56:36,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:36,725 INFO L495 AbstractCegarLoop]: Abstraction has 16673 states and 25286 transitions. [2022-11-03 02:56:36,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2022-11-03 02:56:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 16673 states and 25286 transitions. [2022-11-03 02:56:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2022-11-03 02:56:36,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:36,764 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:56:36,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:56:36,765 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:56:36,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:36,768 INFO L85 PathProgramCache]: Analyzing trace with hash -306707485, now seen corresponding path program 1 times [2022-11-03 02:56:36,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:36,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502967789] [2022-11-03 02:56:36,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:36,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2022-11-03 02:56:40,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:40,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502967789] [2022-11-03 02:56:40,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502967789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:40,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:40,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:56:40,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717765646] [2022-11-03 02:56:40,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:40,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:56:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:56:40,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:40,739 INFO L87 Difference]: Start difference. First operand 16673 states and 25286 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2022-11-03 02:56:43,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:47,085 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 [] [2022-11-03 02:56:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:55,440 INFO L93 Difference]: Finished difference Result 48272 states and 73285 transitions. [2022-11-03 02:56:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:56:55,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) Word has length 1546 [2022-11-03 02:56:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:55,655 INFO L225 Difference]: With dead ends: 48272 [2022-11-03 02:56:55,655 INFO L226 Difference]: Without dead ends: 31900 [2022-11-03 02:56:55,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:56:55,742 INFO L413 NwaCegarLoop]: 10545 mSDtfsCounter, 7823 mSDsluCounter, 8046 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7823 SdHoareTripleChecker+Valid, 17551 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:55,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7823 Valid, 17551 Invalid, 2507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2503 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2022-11-03 02:56:55,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31900 states. [2022-11-03 02:56:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31900 to 31854. [2022-11-03 02:56:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31854 states, 20058 states have (on average 1.350034898793499) internal successors, (27079), 20421 states have internal predecessors, (27079), 10617 states have call successors, (10617), 1181 states have call predecessors, (10617), 1176 states have return successors, (10696), 10565 states have call predecessors, (10696), 10613 states have call successors, (10696) [2022-11-03 02:56:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31854 states to 31854 states and 48392 transitions. [2022-11-03 02:56:58,407 INFO L78 Accepts]: Start accepts. Automaton has 31854 states and 48392 transitions. Word has length 1546 [2022-11-03 02:56:58,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:58,408 INFO L495 AbstractCegarLoop]: Abstraction has 31854 states and 48392 transitions. [2022-11-03 02:56:58,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (154), 2 states have call predecessors, (154), 1 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2022-11-03 02:56:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 31854 states and 48392 transitions. [2022-11-03 02:56:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1555 [2022-11-03 02:56:58,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:58,443 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:56:58,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:56:58,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:56:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:58,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1154713149, now seen corresponding path program 1 times [2022-11-03 02:56:58,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:58,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092152437] [2022-11-03 02:56:58,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:58,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2022-11-03 02:57:02,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:02,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092152437] [2022-11-03 02:57:02,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092152437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:02,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:02,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:57:02,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370126089] [2022-11-03 02:57:02,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:02,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:57:02,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:02,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:57:02,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:57:02,148 INFO L87 Difference]: Start difference. First operand 31854 states and 48392 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (158), 2 states have call predecessors, (158), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2022-11-03 02:57:04,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:06,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:11,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:18,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:18,102 INFO L93 Difference]: Finished difference Result 77992 states and 118422 transitions. [2022-11-03 02:57:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:57:18,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (158), 2 states have call predecessors, (158), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) Word has length 1554 [2022-11-03 02:57:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:18,443 INFO L225 Difference]: With dead ends: 77992 [2022-11-03 02:57:18,443 INFO L226 Difference]: Without dead ends: 46439 [2022-11-03 02:57:18,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:57:18,592 INFO L413 NwaCegarLoop]: 8586 mSDtfsCounter, 5867 mSDsluCounter, 8334 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5868 SdHoareTripleChecker+Valid, 15829 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:18,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5868 Valid, 15829 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2227 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2022-11-03 02:57:18,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46439 states. [2022-11-03 02:57:22,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46439 to 46406. [2022-11-03 02:57:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46406 states, 29221 states have (on average 1.3498511344580952) internal successors, (39444), 29750 states have internal predecessors, (39444), 15433 states have call successors, (15433), 1756 states have call predecessors, (15433), 1749 states have return successors, (15523), 15353 states have call predecessors, (15523), 15429 states have call successors, (15523) [2022-11-03 02:57:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46406 states to 46406 states and 70400 transitions. [2022-11-03 02:57:23,007 INFO L78 Accepts]: Start accepts. Automaton has 46406 states and 70400 transitions. Word has length 1554 [2022-11-03 02:57:23,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:23,009 INFO L495 AbstractCegarLoop]: Abstraction has 46406 states and 70400 transitions. [2022-11-03 02:57:23,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (158), 2 states have call predecessors, (158), 1 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2022-11-03 02:57:23,010 INFO L276 IsEmpty]: Start isEmpty. Operand 46406 states and 70400 transitions. [2022-11-03 02:57:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2022-11-03 02:57:23,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:23,048 INFO L195 NwaCegarLoop]: trace histogram [153, 150, 150, 150, 150, 150, 150, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:57:23,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:57:23,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:57:23,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash 489759527, now seen corresponding path program 1 times [2022-11-03 02:57:23,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:23,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505447758] [2022-11-03 02:57:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:23,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 90310 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 90306 trivial. 0 not checked. [2022-11-03 02:57:26,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:26,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505447758] [2022-11-03 02:57:26,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505447758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:26,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:26,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:57:26,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135171651] [2022-11-03 02:57:26,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:26,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:57:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:26,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:57:26,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:57:26,350 INFO L87 Difference]: Start difference. First operand 46406 states and 70400 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (158), 3 states have call predecessors, (158), 2 states have call successors, (158) [2022-11-03 02:57:28,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:44,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:49,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:44,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:58:44,065 INFO L93 Difference]: Finished difference Result 184223 states and 280442 transitions. [2022-11-03 02:58:44,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:58:44,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (158), 3 states have call predecessors, (158), 2 states have call successors, (158) Word has length 1561 [2022-11-03 02:58:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:58:45,473 INFO L225 Difference]: With dead ends: 184223 [2022-11-03 02:58:45,474 INFO L226 Difference]: Without dead ends: 138118 [2022-11-03 02:58:45,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:58:45,710 INFO L413 NwaCegarLoop]: 20475 mSDtfsCounter, 15779 mSDsluCounter, 25080 mSDsCounter, 0 mSdLazyCounter, 14359 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15783 SdHoareTripleChecker+Valid, 41268 SdHoareTripleChecker+Invalid, 14375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 14359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:58:45,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15783 Valid, 41268 Invalid, 14375 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14 Valid, 14359 Invalid, 2 Unknown, 0 Unchecked, 69.8s Time] [2022-11-03 02:58:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138118 states. [2022-11-03 02:58:57,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138118 to 138070. [2022-11-03 02:58:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138070 states, 87067 states have (on average 1.351166343161014) internal successors, (117642), 88616 states have internal predecessors, (117642), 45811 states have call successors, (45811), 5214 states have call predecessors, (45811), 5189 states have return successors, (46422), 45577 states have call predecessors, (46422), 45807 states have call successors, (46422) [2022-11-03 02:58:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138070 states to 138070 states and 209875 transitions. [2022-11-03 02:58:58,972 INFO L78 Accepts]: Start accepts. Automaton has 138070 states and 209875 transitions. Word has length 1561 [2022-11-03 02:58:58,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:58:58,973 INFO L495 AbstractCegarLoop]: Abstraction has 138070 states and 209875 transitions. [2022-11-03 02:58:58,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (158), 3 states have call predecessors, (158), 2 states have call successors, (158) [2022-11-03 02:58:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 138070 states and 209875 transitions. [2022-11-03 02:58:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1561 [2022-11-03 02:58:59,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:58:59,017 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:58:59,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:58:59,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:58:59,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:58:59,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1837280604, now seen corresponding path program 1 times [2022-11-03 02:58:59,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:58:59,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183016940] [2022-11-03 02:58:59,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:58:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:59:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat