./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-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:48:47,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:48:47,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:48:47,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:48:47,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:48:47,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:48:47,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:48:47,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:48:47,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:48:47,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:48:47,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:48:47,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:48:47,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:48:47,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:48:47,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:48:47,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:48:47,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:48:47,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:48:47,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:48:47,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:48:47,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:48:47,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:48:47,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:48:47,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:48:47,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:48:47,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:48:47,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:48:47,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:48:47,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:48:47,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:48:47,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:48:47,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:48:47,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:48:47,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:48:47,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:48:47,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:48:47,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:48:47,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:48:47,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:48:47,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:48:47,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:48:47,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:48:47,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:48:47,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:48:47,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:48:47,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:48:47,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:48:47,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:48:47,776 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:48:47,777 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:48:47,777 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:48:47,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:48:47,777 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:48:47,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:48:47,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:48:47,778 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:48:47,778 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:48:47,778 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:48:47,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:48:47,778 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:48:47,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:48:47,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:48:47,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:48:47,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:48:47,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:48:47,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:48:47,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:48:47,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:48:47,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:48:47,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:48:47,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:48:47,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:48:47,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:48:47,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:48:47,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:48:47,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:48:47,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:48:47,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:48:47,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:48:47,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:48:47,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 [2021-11-20 23:48:48,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:48:48,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:48:48,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:48:48,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:48:48,095 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:48:48,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-20 23:48:48,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/data/43f33c38f/b4c5ffad7c564f38b428dcf457a5a00d/FLAG6eddd4d51 [2021-11-20 23:48:49,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:48:49,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-20 23:48:49,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/data/43f33c38f/b4c5ffad7c564f38b428dcf457a5a00d/FLAG6eddd4d51 [2021-11-20 23:48:49,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/data/43f33c38f/b4c5ffad7c564f38b428dcf457a5a00d [2021-11-20 23:48:49,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:48:49,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:48:50,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:48:50,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:48:50,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:48:50,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:49" (1/1) ... [2021-11-20 23:48:50,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1482f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:50, skipping insertion in model container [2021-11-20 23:48:50,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:49" (1/1) ... [2021-11-20 23:48:50,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:48:50,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:48:59,652 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2021-11-20 23:48:59,655 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2021-11-20 23:48:59,655 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2021-11-20 23:48:59,656 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2021-11-20 23:48:59,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:48:59,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:49:00,862 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2021-11-20 23:49:00,863 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2021-11-20 23:49:00,864 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2021-11-20 23:49:00,864 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_c06d1154-4458-40dd-a394-7f88afb38284/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2021-11-20 23:49:00,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:49:01,352 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:49:01,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01 WrapperNode [2021-11-20 23:49:01,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:49:01,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:49:01,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:49:01,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:49:01,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:01,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:02,525 INFO L137 Inliner]: procedures = 719, calls = 11042, calls flagged for inlining = 379, calls inlined = 356, statements flattened = 25946 [2021-11-20 23:49:02,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:49:02,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:49:02,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:49:02,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:49:02,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:02,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:02,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:02,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:03,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:03,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:03,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:04,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:49:04,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:49:04,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:49:04,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:49:04,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (1/1) ... [2021-11-20 23:49:04,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:49:04,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:49:04,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:49:04,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06d1154-4458-40dd-a394-7f88afb38284/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:49:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2021-11-20 23:49:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2021-11-20 23:49:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2021-11-20 23:49:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2021-11-20 23:49:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2021-11-20 23:49:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2021-11-20 23:49:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 23:49:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 23:49:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:49:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:49:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2021-11-20 23:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2021-11-20 23:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2021-11-20 23:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2021-11-20 23:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-20 23:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-20 23:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2021-11-20 23:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2021-11-20 23:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2021-11-20 23:49:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2021-11-20 23:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 23:49:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 23:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-20 23:49:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-20 23:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-20 23:49:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-20 23:49:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:49:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:49:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-20 23:49:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-20 23:49:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 23:49:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 23:49:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2021-11-20 23:49:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2021-11-20 23:49:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2021-11-20 23:49:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2021-11-20 23:49:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2021-11-20 23:49:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2021-11-20 23:49:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2021-11-20 23:49:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2021-11-20 23:49:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:49:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-20 23:49:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-20 23:49:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:49:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:49:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-11-20 23:49:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-11-20 23:49:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-20 23:49:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-20 23:49:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2021-11-20 23:49:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2021-11-20 23:49:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:49:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:49:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:49:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:49:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2021-11-20 23:49:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2021-11-20 23:49:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2021-11-20 23:49:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2021-11-20 23:49:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2021-11-20 23:49:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2021-11-20 23:49:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:49:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2021-11-20 23:49:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2021-11-20 23:49:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-20 23:49:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-20 23:49:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 23:49:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 23:49:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2021-11-20 23:49:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2021-11-20 23:49:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2021-11-20 23:49:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2021-11-20 23:49:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-20 23:49:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-20 23:49:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 23:49:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 23:49:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:49:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-20 23:49:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-20 23:49:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:49:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:49:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-20 23:49:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-20 23:49:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:49:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:49:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:49:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2021-11-20 23:49:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2021-11-20 23:49:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:49:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2021-11-20 23:49:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2021-11-20 23:49:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:49:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:49:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:49:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:49:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2021-11-20 23:49:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2021-11-20 23:49:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:49:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:49:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-20 23:49:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-20 23:49:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-20 23:49:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-20 23:49:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2021-11-20 23:49:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2021-11-20 23:49:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2021-11-20 23:49:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2021-11-20 23:49:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-20 23:49:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-20 23:49:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-20 23:49:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-20 23:49:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2021-11-20 23:49:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2021-11-20 23:49:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2021-11-20 23:49:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2021-11-20 23:49:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2021-11-20 23:49:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2021-11-20 23:49:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-20 23:49:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-20 23:49:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 23:49:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 23:49:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-20 23:49:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-20 23:49:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:49:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:49:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:49:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-20 23:49:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-20 23:49:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 23:49:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 23:49:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-20 23:49:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-20 23:49:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 23:49:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 23:49:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2021-11-20 23:49:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2021-11-20 23:49:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:49:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:49:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:49:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:49:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:49:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:49:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:49:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2021-11-20 23:49:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2021-11-20 23:49:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:49:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:49:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:49:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:49:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2021-11-20 23:49:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2021-11-20 23:49:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2021-11-20 23:49:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2021-11-20 23:49:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 23:49:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 23:49:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2021-11-20 23:49:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2021-11-20 23:49:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2021-11-20 23:49:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2021-11-20 23:49:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-20 23:49:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-20 23:49:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2021-11-20 23:49:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2021-11-20 23:49:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-20 23:49:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-20 23:49:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2021-11-20 23:49:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2021-11-20 23:49:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2021-11-20 23:49:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2021-11-20 23:49:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2021-11-20 23:49:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2021-11-20 23:49:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2021-11-20 23:49:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2021-11-20 23:49:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2021-11-20 23:49:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2021-11-20 23:49:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2021-11-20 23:49:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2021-11-20 23:49:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-20 23:49:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-20 23:49:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2021-11-20 23:49:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2021-11-20 23:49:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:49:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:49:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 23:49:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 23:49:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2021-11-20 23:49:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2021-11-20 23:49:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2021-11-20 23:49:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2021-11-20 23:49:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-20 23:49:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-20 23:49:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:49:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:49:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:49:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:49:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-20 23:49:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-20 23:49:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-20 23:49:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-20 23:49:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 23:49:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 23:49:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 23:49:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 23:49:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-20 23:49:04,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-20 23:49:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 23:49:04,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 23:49:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2021-11-20 23:49:04,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2021-11-20 23:49:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2021-11-20 23:49:04,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2021-11-20 23:49:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2021-11-20 23:49:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2021-11-20 23:49:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-20 23:49:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-20 23:49:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2021-11-20 23:49:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2021-11-20 23:49:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-20 23:49:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-20 23:49:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-20 23:49:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-20 23:49:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 23:49:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 23:49:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2021-11-20 23:49:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2021-11-20 23:49:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:49:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:49:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-20 23:49:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-20 23:49:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2021-11-20 23:49:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2021-11-20 23:49:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 23:49:04,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 23:49:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2021-11-20 23:49:04,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2021-11-20 23:49:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2021-11-20 23:49:04,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2021-11-20 23:49:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2021-11-20 23:49:04,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2021-11-20 23:49:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2021-11-20 23:49:04,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2021-11-20 23:49:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2021-11-20 23:49:04,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2021-11-20 23:49:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:49:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:49:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2021-11-20 23:49:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2021-11-20 23:49:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2021-11-20 23:49:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2021-11-20 23:49:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2021-11-20 23:49:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2021-11-20 23:49:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2021-11-20 23:49:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2021-11-20 23:49:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-20 23:49:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-20 23:49:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-20 23:49:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-20 23:49:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:49:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:49:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 23:49:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-20 23:49:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-20 23:49:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 23:49:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 23:49:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-20 23:49:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-20 23:49:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-11-20 23:49:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-11-20 23:49:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-20 23:49:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-20 23:49:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:49:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:49:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2021-11-20 23:49:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2021-11-20 23:49:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2021-11-20 23:49:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2021-11-20 23:49:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-20 23:49:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-20 23:49:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-20 23:49:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-20 23:49:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-11-20 23:49:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-11-20 23:49:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2021-11-20 23:49:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2021-11-20 23:49:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-20 23:49:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-20 23:49:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-20 23:49:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-20 23:49:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-20 23:49:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-20 23:49:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2021-11-20 23:49:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2021-11-20 23:49:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-20 23:49:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-20 23:49:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 23:49:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 23:49:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2021-11-20 23:49:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2021-11-20 23:49:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-20 23:49:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-20 23:49:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2021-11-20 23:49:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2021-11-20 23:49:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2021-11-20 23:49:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2021-11-20 23:49:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-20 23:49:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-20 23:49:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2021-11-20 23:49:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2021-11-20 23:49:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:49:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2021-11-20 23:49:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2021-11-20 23:49:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:49:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:49:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-20 23:49:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-20 23:49:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2021-11-20 23:49:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2021-11-20 23:49:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-11-20 23:49:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-11-20 23:49:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2021-11-20 23:49:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2021-11-20 23:49:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2021-11-20 23:49:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2021-11-20 23:49:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-20 23:49:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-20 23:49:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 23:49:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 23:49:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2021-11-20 23:49:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2021-11-20 23:49:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2021-11-20 23:49:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2021-11-20 23:49:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 23:49:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 23:49:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2021-11-20 23:49:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2021-11-20 23:49:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 23:49:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 23:49:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-20 23:49:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-20 23:49:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:49:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:49:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2021-11-20 23:49:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2021-11-20 23:49:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 23:49:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 23:49:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-20 23:49:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-20 23:49:04,228 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2021-11-20 23:49:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2021-11-20 23:49:04,228 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2021-11-20 23:49:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2021-11-20 23:49:04,228 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:49:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:49:04,228 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2021-11-20 23:49:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2021-11-20 23:49:04,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:49:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-20 23:49:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-20 23:49:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-20 23:49:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-20 23:49:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:49:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:49:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2021-11-20 23:49:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2021-11-20 23:49:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-20 23:49:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-20 23:49:06,238 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:49:06,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:49:10,044 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:51:16,828 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:51:17,268 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:51:29,332 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:51:29,332 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-20 23:51:29,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:29 BoogieIcfgContainer [2021-11-20 23:51:29,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:51:29,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:51:29,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:51:29,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:51:29,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:48:49" (1/3) ... [2021-11-20 23:51:29,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283bc00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:51:29, skipping insertion in model container [2021-11-20 23:51:29,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:01" (2/3) ... [2021-11-20 23:51:29,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283bc00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:51:29, skipping insertion in model container [2021-11-20 23:51:29,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:29" (3/3) ... [2021-11-20 23:51:29,355 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-20 23:51:29,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:51:29,362 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 23:51:29,444 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:51:29,453 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:51:29,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 23:51:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 6135 states, 3721 states have (on average 1.3695243214189734) internal successors, (5096), 3886 states have internal predecessors, (5096), 2246 states have call successors, (2246), 174 states have call predecessors, (2246), 173 states have return successors, (2236), 2167 states have call predecessors, (2236), 2236 states have call successors, (2236) [2021-11-20 23:51:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-20 23:51:29,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:51:29,651 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2021-11-20 23:51:29,652 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:51:29,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:51:29,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1336931873, now seen corresponding path program 1 times [2021-11-20 23:51:29,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:51:29,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497709285] [2021-11-20 23:51:29,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:51:29,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:51:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:51:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-20 23:51:31,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:51:31,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497709285] [2021-11-20 23:51:31,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497709285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:51:31,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:51:31,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:51:31,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737281421] [2021-11-20 23:51:31,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:51:31,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:51:31,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:51:31,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:51:31,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:51:31,770 INFO L87 Difference]: Start difference. First operand has 6135 states, 3721 states have (on average 1.3695243214189734) internal successors, (5096), 3886 states have internal predecessors, (5096), 2246 states have call successors, (2246), 174 states have call predecessors, (2246), 173 states have return successors, (2236), 2167 states have call predecessors, (2236), 2236 states have call successors, (2236) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-20 23:51:34,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:37,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:40,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:43,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:46,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:50,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:52,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:55,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:57,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:00,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:01,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:02,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:52:02,683 INFO L93 Difference]: Finished difference Result 11585 states and 17966 transitions. [2021-11-20 23:52:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:52:02,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 294 [2021-11-20 23:52:02,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:52:02,810 INFO L225 Difference]: With dead ends: 11585 [2021-11-20 23:52:02,810 INFO L226 Difference]: Without dead ends: 6985 [2021-11-20 23:52:02,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:52:02,870 INFO L933 BasicCegarLoop]: 6710 mSDtfsCounter, 5565 mSDsluCounter, 6030 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 21 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5571 SdHoareTripleChecker+Valid, 12176 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:52:02,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5571 Valid, 12176 Invalid, 1208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1177 Invalid, 10 Unknown, 0 Unchecked, 30.0s Time] [2021-11-20 23:52:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6985 states. [2021-11-20 23:52:03,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6985 to 6976. [2021-11-20 23:52:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6976 states, 4407 states have (on average 1.3553437712729748) internal successors, (5973), 4558 states have internal predecessors, (5973), 2316 states have call successors, (2316), 263 states have call predecessors, (2316), 250 states have return successors, (2286), 2217 states have call predecessors, (2286), 2282 states have call successors, (2286) [2021-11-20 23:52:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 6976 states and 10575 transitions. [2021-11-20 23:52:03,942 INFO L78 Accepts]: Start accepts. Automaton has 6976 states and 10575 transitions. Word has length 294 [2021-11-20 23:52:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:52:03,944 INFO L470 AbstractCegarLoop]: Abstraction has 6976 states and 10575 transitions. [2021-11-20 23:52:03,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-20 23:52:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 6976 states and 10575 transitions. [2021-11-20 23:52:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-20 23:52:03,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:52:03,958 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:52:03,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:52:03,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:52:03,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:52:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1143925208, now seen corresponding path program 1 times [2021-11-20 23:52:03,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:52:03,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433460580] [2021-11-20 23:52:03,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:52:03,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:52:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:52:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-20 23:52:05,343 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:52:05,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433460580] [2021-11-20 23:52:05,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433460580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:52:05,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:52:05,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:52:05,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453343133] [2021-11-20 23:52:05,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:52:05,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:52:05,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:52:05,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:52:05,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:52:05,353 INFO L87 Difference]: Start difference. First operand 6976 states and 10575 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-20 23:52:08,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:11,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:14,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:16,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:19,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:22,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:25,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:27,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:29,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:31,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:33,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:35,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:36,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:52:36,100 INFO L93 Difference]: Finished difference Result 20630 states and 31508 transitions. [2021-11-20 23:52:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:52:36,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 298 [2021-11-20 23:52:36,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:52:36,275 INFO L225 Difference]: With dead ends: 20630 [2021-11-20 23:52:36,275 INFO L226 Difference]: Without dead ends: 13699 [2021-11-20 23:52:36,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:52:36,344 INFO L933 BasicCegarLoop]: 6312 mSDtfsCounter, 5240 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5244 SdHoareTripleChecker+Valid, 11368 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:52:36,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5244 Valid, 11368 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1092 Invalid, 9 Unknown, 0 Unchecked, 30.1s Time] [2021-11-20 23:52:36,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13699 states. [2021-11-20 23:52:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13699 to 13660. [2021-11-20 23:52:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13660 states, 8636 states have (on average 1.3574571560907829) internal successors, (11723), 8945 states have internal predecessors, (11723), 4537 states have call successors, (4537), 515 states have call predecessors, (4537), 484 states have return successors, (4687), 4325 states have call predecessors, (4687), 4471 states have call successors, (4687) [2021-11-20 23:52:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13660 states to 13660 states and 20947 transitions. [2021-11-20 23:52:38,024 INFO L78 Accepts]: Start accepts. Automaton has 13660 states and 20947 transitions. Word has length 298 [2021-11-20 23:52:38,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:52:38,028 INFO L470 AbstractCegarLoop]: Abstraction has 13660 states and 20947 transitions. [2021-11-20 23:52:38,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-20 23:52:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 13660 states and 20947 transitions. [2021-11-20 23:52:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-20 23:52:38,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:52:38,048 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2021-11-20 23:52:38,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:52:38,048 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:52:38,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:52:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2086013672, now seen corresponding path program 1 times [2021-11-20 23:52:38,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:52:38,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453144326] [2021-11-20 23:52:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:52:38,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:52:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:52:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2021-11-20 23:52:39,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:52:39,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453144326] [2021-11-20 23:52:39,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453144326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:52:39,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:52:39,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:52:39,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960553811] [2021-11-20 23:52:39,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:52:39,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:52:39,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:52:39,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:52:39,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:52:39,175 INFO L87 Difference]: Start difference. First operand 13660 states and 20947 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-20 23:52:42,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:45,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:47,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:50,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:53,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:56,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:58,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:00,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:04,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:05,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:53:05,547 INFO L93 Difference]: Finished difference Result 33879 states and 51949 transitions. [2021-11-20 23:53:05,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:53:05,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 321 [2021-11-20 23:53:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:53:05,702 INFO L225 Difference]: With dead ends: 33879 [2021-11-20 23:53:05,702 INFO L226 Difference]: Without dead ends: 20274 [2021-11-20 23:53:05,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:53:05,771 INFO L933 BasicCegarLoop]: 6224 mSDtfsCounter, 5111 mSDsluCounter, 5470 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 16 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5119 SdHoareTripleChecker+Valid, 11174 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:53:05,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5119 Valid, 11174 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1143 Invalid, 9 Unknown, 0 Unchecked, 25.8s Time] [2021-11-20 23:53:05,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20274 states. [2021-11-20 23:53:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20274 to 20231. [2021-11-20 23:53:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20231 states, 12803 states have (on average 1.3548387096774193) internal successors, (17346), 13271 states have internal predecessors, (17346), 6699 states have call successors, (6699), 774 states have call predecessors, (6699), 726 states have return successors, (6921), 6371 states have call predecessors, (6921), 6602 states have call successors, (6921) [2021-11-20 23:53:08,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20231 states to 20231 states and 30966 transitions. [2021-11-20 23:53:08,154 INFO L78 Accepts]: Start accepts. Automaton has 20231 states and 30966 transitions. Word has length 321 [2021-11-20 23:53:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:53:08,155 INFO L470 AbstractCegarLoop]: Abstraction has 20231 states and 30966 transitions. [2021-11-20 23:53:08,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-20 23:53:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 20231 states and 30966 transitions. [2021-11-20 23:53:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-20 23:53:08,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:53:08,170 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2021-11-20 23:53:08,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:53:08,171 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:53:08,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:53:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash 757182045, now seen corresponding path program 1 times [2021-11-20 23:53:08,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:53:08,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107098907] [2021-11-20 23:53:08,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:53:08,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:53:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:53:09,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2021-11-20 23:53:09,027 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:53:09,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107098907] [2021-11-20 23:53:09,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107098907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:53:09,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:53:09,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:53:09,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033512821] [2021-11-20 23:53:09,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:53:09,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:53:09,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:53:09,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:53:09,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:53:09,030 INFO L87 Difference]: Start difference. First operand 20231 states and 30966 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 23:53:12,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:16,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:18,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:20,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:23,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:24,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:26,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:31,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:53:33,037 INFO L93 Difference]: Finished difference Result 48998 states and 74848 transitions. [2021-11-20 23:53:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:53:33,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 332 [2021-11-20 23:53:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:53:33,235 INFO L225 Difference]: With dead ends: 48998 [2021-11-20 23:53:33,235 INFO L226 Difference]: Without dead ends: 28822 [2021-11-20 23:53:33,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:53:33,323 INFO L933 BasicCegarLoop]: 5963 mSDtfsCounter, 3903 mSDsluCounter, 5376 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 15 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3905 SdHoareTripleChecker+Valid, 10843 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:53:33,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3905 Valid, 10843 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1218 Invalid, 7 Unknown, 0 Unchecked, 22.9s Time] [2021-11-20 23:53:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28822 states. [2021-11-20 23:53:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28822 to 28782. [2021-11-20 23:53:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28782 states, 18062 states have (on average 1.3440925700365407) internal successors, (24277), 18775 states have internal predecessors, (24277), 9605 states have call successors, (9605), 1186 states have call predecessors, (9605), 1112 states have return successors, (9951), 9106 states have call predecessors, (9951), 9482 states have call successors, (9951) [2021-11-20 23:53:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28782 states to 28782 states and 43833 transitions. [2021-11-20 23:53:36,761 INFO L78 Accepts]: Start accepts. Automaton has 28782 states and 43833 transitions. Word has length 332 [2021-11-20 23:53:36,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:53:36,762 INFO L470 AbstractCegarLoop]: Abstraction has 28782 states and 43833 transitions. [2021-11-20 23:53:36,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 23:53:36,763 INFO L276 IsEmpty]: Start isEmpty. Operand 28782 states and 43833 transitions. [2021-11-20 23:53:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-20 23:53:36,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:53:36,776 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2021-11-20 23:53:36,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:53:36,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:53:36,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:53:36,777 INFO L85 PathProgramCache]: Analyzing trace with hash -286148243, now seen corresponding path program 1 times [2021-11-20 23:53:36,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:53:36,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636984041] [2021-11-20 23:53:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:53:36,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:53:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:53:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2021-11-20 23:53:37,845 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:53:37,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636984041] [2021-11-20 23:53:37,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636984041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:53:37,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:53:37,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:53:37,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936800864] [2021-11-20 23:53:37,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:53:37,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:53:37,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:53:37,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:53:37,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:53:37,849 INFO L87 Difference]: Start difference. First operand 28782 states and 43833 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-20 23:53:41,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:44,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:47,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:50,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:52,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:55,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:57,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:01,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:03,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:54:04,991 INFO L93 Difference]: Finished difference Result 85018 states and 129364 transitions. [2021-11-20 23:54:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:54:04,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 322 [2021-11-20 23:54:04,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:54:05,320 INFO L225 Difference]: With dead ends: 85018 [2021-11-20 23:54:05,321 INFO L226 Difference]: Without dead ends: 56291 [2021-11-20 23:54:05,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:54:05,439 INFO L933 BasicCegarLoop]: 7978 mSDtfsCounter, 5050 mSDsluCounter, 5435 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5056 SdHoareTripleChecker+Valid, 12911 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:54:05,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5056 Valid, 12911 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1352 Invalid, 9 Unknown, 0 Unchecked, 25.5s Time] [2021-11-20 23:54:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56291 states. [2021-11-20 23:54:10,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56291 to 56236. [2021-11-20 23:54:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56236 states, 35220 states have (on average 1.3377910278250993) internal successors, (47117), 36663 states have internal predecessors, (47117), 18807 states have call successors, (18807), 2353 states have call predecessors, (18807), 2206 states have return successors, (19341), 17787 states have call predecessors, (19341), 18565 states have call successors, (19341) [2021-11-20 23:54:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56236 states to 56236 states and 85265 transitions. [2021-11-20 23:54:11,390 INFO L78 Accepts]: Start accepts. Automaton has 56236 states and 85265 transitions. Word has length 322 [2021-11-20 23:54:11,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:54:11,392 INFO L470 AbstractCegarLoop]: Abstraction has 56236 states and 85265 transitions. [2021-11-20 23:54:11,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-20 23:54:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 56236 states and 85265 transitions. [2021-11-20 23:54:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-20 23:54:11,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:11,408 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:54:11,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:54:11,408 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:54:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:11,409 INFO L85 PathProgramCache]: Analyzing trace with hash -9750339, now seen corresponding path program 1 times [2021-11-20 23:54:11,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:11,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058182106] [2021-11-20 23:54:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:11,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2021-11-20 23:54:12,868 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:12,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058182106] [2021-11-20 23:54:12,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058182106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:54:12,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:54:12,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:54:12,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787966477] [2021-11-20 23:54:12,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:54:12,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:54:12,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:54:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:54:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:54:12,873 INFO L87 Difference]: Start difference. First operand 56236 states and 85265 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-20 23:54:16,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:19,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:23,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:26,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:28,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:32,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:34,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:42,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:45,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:54:45,059 INFO L93 Difference]: Finished difference Result 102673 states and 155802 transitions. [2021-11-20 23:54:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:54:45,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 339 [2021-11-20 23:54:45,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:54:46,065 INFO L225 Difference]: With dead ends: 102673 [2021-11-20 23:54:46,066 INFO L226 Difference]: Without dead ends: 102671 [2021-11-20 23:54:46,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:54:46,112 INFO L933 BasicCegarLoop]: 6149 mSDtfsCounter, 5242 mSDsluCounter, 18810 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5264 SdHoareTripleChecker+Valid, 23335 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:54:46,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5264 Valid, 23335 Invalid, 2204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2194 Invalid, 8 Unknown, 0 Unchecked, 29.4s Time] [2021-11-20 23:54:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102671 states. [2021-11-20 23:54:53,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102671 to 102660. [2021-11-20 23:54:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102660 states, 64314 states have (on average 1.3393662344124142) internal successors, (86140), 66945 states have internal predecessors, (86140), 34335 states have call successors, (34335), 4276 states have call predecessors, (34335), 4008 states have return successors, (35317), 32462 states have call predecessors, (35317), 33889 states have call successors, (35317) [2021-11-20 23:54:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102660 states to 102660 states and 155792 transitions. [2021-11-20 23:54:55,011 INFO L78 Accepts]: Start accepts. Automaton has 102660 states and 155792 transitions. Word has length 339 [2021-11-20 23:54:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:54:55,012 INFO L470 AbstractCegarLoop]: Abstraction has 102660 states and 155792 transitions. [2021-11-20 23:54:55,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-20 23:54:55,013 INFO L276 IsEmpty]: Start isEmpty. Operand 102660 states and 155792 transitions. [2021-11-20 23:54:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-20 23:54:55,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:54:55,029 INFO L514 BasicCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:54:55,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:54:55,030 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:54:55,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:54:55,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1995777769, now seen corresponding path program 1 times [2021-11-20 23:54:55,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:54:55,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207491413] [2021-11-20 23:54:55,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:54:55,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:54:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:54:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2922 trivial. 0 not checked. [2021-11-20 23:54:56,335 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:54:56,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207491413] [2021-11-20 23:54:56,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207491413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:54:56,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:54:56,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:54:56,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583881554] [2021-11-20 23:54:56,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:54:56,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:54:56,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:54:56,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:54:56,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:54:56,339 INFO L87 Difference]: Start difference. First operand 102660 states and 155792 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-20 23:54:59,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:03,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:06,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:08,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:11,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:14,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:17,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:20,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:24,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:28,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:28,111 INFO L93 Difference]: Finished difference Result 280582 states and 426024 transitions. [2021-11-20 23:55:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:55:28,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 341 [2021-11-20 23:55:28,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:29,611 INFO L225 Difference]: With dead ends: 280582 [2021-11-20 23:55:29,612 INFO L226 Difference]: Without dead ends: 177977 [2021-11-20 23:55:29,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:55:29,951 INFO L933 BasicCegarLoop]: 6524 mSDtfsCounter, 5259 mSDsluCounter, 5488 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 13 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5263 SdHoareTripleChecker+Valid, 11485 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:29,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5263 Valid, 11485 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1177 Invalid, 7 Unknown, 0 Unchecked, 26.2s Time] [2021-11-20 23:55:30,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177977 states.