./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/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_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:22:31,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:22:31,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:22:31,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:22:31,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:22:31,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:22:31,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:22:31,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:22:31,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:22:31,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:22:31,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:22:31,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:22:31,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:22:31,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:22:31,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:22:31,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:22:31,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:22:31,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:22:31,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:22:31,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:22:31,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:22:31,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:22:31,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:22:31,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:22:31,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:22:31,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:22:31,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:22:31,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:22:31,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:22:31,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:22:31,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:22:31,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:22:31,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:22:31,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:22:31,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:22:31,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:22:31,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:22:31,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:22:31,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:22:31,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:22:31,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:22:31,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:22:31,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:22:31,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:22:31,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:22:31,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:22:31,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:22:31,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:22:31,997 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:22:31,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:22:31,998 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:22:31,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:22:31,999 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:22:32,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:22:32,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:22:32,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:22:32,001 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:22:32,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:22:32,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:22:32,002 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:22:32,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:22:32,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:22:32,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:22:32,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:22:32,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:22:32,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:22:32,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:22:32,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:22:32,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:22:32,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:22:32,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:22:32,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:22:32,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:22:32,007 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:22:32,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:22:32,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:22:32,008 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:22:32,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:22:32,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:22:32,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:22:32,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 [2022-11-22 02:22:32,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:22:32,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:22:32,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:22:32,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:22:32,356 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:22:32,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-22 02:22:35,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:22:36,396 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:22:36,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-22 02:22:36,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/data/b5466ca70/d53f8887dcac4f16bc55f2f919743478/FLAG739c59353 [2022-11-22 02:22:36,500 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/data/b5466ca70/d53f8887dcac4f16bc55f2f919743478 [2022-11-22 02:22:36,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:22:36,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:22:36,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:22:36,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:22:36,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:22:36,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:36" (1/1) ... [2022-11-22 02:22:36,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11378671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:36, skipping insertion in model container [2022-11-22 02:22:36,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:36" (1/1) ... [2022-11-22 02:22:36,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:22:36,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:22:45,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2022-11-22 02:22:45,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2022-11-22 02:22:45,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2022-11-22 02:22:45,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2022-11-22 02:22:45,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:22:45,468 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:22:46,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2022-11-22 02:22:46,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2022-11-22 02:22:46,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2022-11-22 02:22:46,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2022-11-22 02:22:46,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:22:46,960 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:22:46,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46 WrapperNode [2022-11-22 02:22:46,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:22:46,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:22:46,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:22:46,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:22:46,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:47,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:48,569 INFO L138 Inliner]: procedures = 719, calls = 11082, calls flagged for inlining = 379, calls inlined = 356, statements flattened = 25837 [2022-11-22 02:22:48,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:22:48,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:22:48,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:22:48,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:22:48,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:48,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:48,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:48,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:49,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:49,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:49,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:50,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:50,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:22:50,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:22:50,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:22:50,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:22:50,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (1/1) ... [2022-11-22 02:22:50,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:22:50,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:22:50,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:22:50,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5710cb55-ead6-4b84-ab4f-31e3e73f8efd/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:22:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-22 02:22:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-22 02:22:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-22 02:22:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-22 02:22:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-22 02:22:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-22 02:22:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 02:22:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 02:22:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:22:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:22:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-22 02:22:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-22 02:22:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-22 02:22:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-22 02:22:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-22 02:22:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-22 02:22:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-22 02:22:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-22 02:22:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-22 02:22:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-22 02:22:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:22:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:22:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-22 02:22:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-22 02:22:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-22 02:22:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-22 02:22:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:22:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:22:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-22 02:22:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-22 02:22:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 02:22:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 02:22:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-22 02:22:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-22 02:22:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-22 02:22:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-22 02:22:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-22 02:22:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-22 02:22:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-22 02:22:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-22 02:22:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 02:22:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-22 02:22:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-22 02:22:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:22:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:22:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-22 02:22:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-22 02:22:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-22 02:22:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-22 02:22:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-22 02:22:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-22 02:22:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:22:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:22:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:22:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:22:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-22 02:22:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-22 02:22:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-22 02:22:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-22 02:22:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-22 02:22:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-22 02:22:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:22:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-22 02:22:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-22 02:22:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-22 02:22:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-22 02:22:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 02:22:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 02:22:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-22 02:22:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-22 02:22:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-22 02:22:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-22 02:22:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-22 02:22:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-22 02:22:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-22 02:22:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-22 02:22:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:22:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-22 02:22:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-22 02:22:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:22:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:22:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-22 02:22:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-22 02:22:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:22:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:22:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:22:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-22 02:22:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-22 02:22:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:22:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-22 02:22:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-22 02:22:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:22:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:22:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:22:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:22:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-22 02:22:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-22 02:22:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:22:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:22:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-22 02:22:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-22 02:22:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-22 02:22:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-22 02:22:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-22 02:22:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-22 02:22:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-22 02:22:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-22 02:22:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-22 02:22:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-22 02:22:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-22 02:22:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-22 02:22:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-22 02:22:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-22 02:22:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-22 02:22:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-22 02:22:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-22 02:22:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-22 02:22:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-22 02:22:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-22 02:22:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 02:22:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 02:22:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-22 02:22:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-22 02:22:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:22:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:22:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:22:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-22 02:22:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-22 02:22:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 02:22:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 02:22:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-22 02:22:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-22 02:22:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 02:22:50,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 02:22:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-22 02:22:50,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-22 02:22:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:22:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:22:50,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:22:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:22:50,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:22:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:22:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:22:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-22 02:22:50,349 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-22 02:22:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:22:50,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:22:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:22:50,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:22:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-22 02:22:50,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-22 02:22:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-22 02:22:50,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-22 02:22:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 02:22:50,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 02:22:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-22 02:22:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-22 02:22:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-22 02:22:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-22 02:22:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 02:22:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 02:22:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-22 02:22:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-22 02:22:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-22 02:22:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-22 02:22:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-22 02:22:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-22 02:22:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-22 02:22:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-22 02:22:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-22 02:22:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-22 02:22:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2022-11-22 02:22:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2022-11-22 02:22:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-22 02:22:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-22 02:22:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-22 02:22:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-22 02:22:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-22 02:22:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-22 02:22:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-22 02:22:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-22 02:22:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:22:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:22:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-22 02:22:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-22 02:22:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-22 02:22:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-22 02:22:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-22 02:22:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-22 02:22:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-22 02:22:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-22 02:22:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:22:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:22:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:22:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:22:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-22 02:22:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-22 02:22:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-22 02:22:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-22 02:22:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:22:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:22:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 02:22:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 02:22:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-22 02:22:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-22 02:22:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 02:22:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 02:22:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-22 02:22:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-22 02:22:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2022-11-22 02:22:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2022-11-22 02:22:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-22 02:22:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-22 02:22:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-22 02:22:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-22 02:22:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-22 02:22:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-22 02:22:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-22 02:22:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-22 02:22:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-22 02:22:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-22 02:22:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 02:22:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 02:22:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-22 02:22:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-22 02:22:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:22:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:22:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-22 02:22:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-22 02:22:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-22 02:22:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-22 02:22:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 02:22:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 02:22:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-22 02:22:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-22 02:22:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-22 02:22:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-22 02:22:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-22 02:22:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-22 02:22:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-22 02:22:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-22 02:22:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-22 02:22:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-22 02:22:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:22:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:22:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-22 02:22:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-22 02:22:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-22 02:22:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-22 02:22:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-22 02:22:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-22 02:22:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-22 02:22:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-22 02:22:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-22 02:22:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-22 02:22:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-22 02:22:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-22 02:22:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:22:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 02:22:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 02:22:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-22 02:22:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-22 02:22:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 02:22:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 02:22:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-22 02:22:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-22 02:22:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2022-11-22 02:22:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2022-11-22 02:22:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-22 02:22:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-22 02:22:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:22:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:22:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-22 02:22:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-22 02:22:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-22 02:22:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-22 02:22:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-22 02:22:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-22 02:22:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-22 02:22:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-22 02:22:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-22 02:22:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-22 02:22:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-22 02:22:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-22 02:22:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-22 02:22:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-22 02:22:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-22 02:22:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-22 02:22:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-22 02:22:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-22 02:22:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-22 02:22:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-22 02:22:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-22 02:22:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-22 02:22:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 02:22:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 02:22:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2022-11-22 02:22:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2022-11-22 02:22:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 02:22:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 02:22:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-22 02:22:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-22 02:22:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-22 02:22:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-22 02:22:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-22 02:22:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-22 02:22:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-22 02:22:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-22 02:22:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:22:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-22 02:22:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-22 02:22:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:22:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:22:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-22 02:22:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-22 02:22:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2022-11-22 02:22:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2022-11-22 02:22:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-22 02:22:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-22 02:22:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-22 02:22:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-22 02:22:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-22 02:22:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-22 02:22:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-22 02:22:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-22 02:22:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 02:22:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 02:22:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-22 02:22:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-22 02:22:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-22 02:22:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-22 02:22:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-22 02:22:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-22 02:22:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-22 02:22:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-22 02:22:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 02:22:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 02:22:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-22 02:22:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-22 02:22:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:22:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:22:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-22 02:22:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-22 02:22:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 02:22:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 02:22:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-22 02:22:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-22 02:22:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-22 02:22:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-22 02:22:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-22 02:22:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-22 02:22:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 02:22:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 02:22:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-22 02:22:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-22 02:22:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:22:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-22 02:22:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-22 02:22:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-22 02:22:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-22 02:22:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:22:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:22:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-22 02:22:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-22 02:22:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-22 02:22:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-22 02:22:52,700 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:22:52,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:22:56,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:25:13,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:25:14,254 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:25:25,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:25:25,598 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-22 02:25:25,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:25 BoogieIcfgContainer [2022-11-22 02:25:25,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:25:25,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:25:25,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:25:25,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:25:25,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:22:36" (1/3) ... [2022-11-22 02:25:25,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19307eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:25, skipping insertion in model container [2022-11-22 02:25:25,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:46" (2/3) ... [2022-11-22 02:25:25,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19307eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:25, skipping insertion in model container [2022-11-22 02:25:25,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:25" (3/3) ... [2022-11-22 02:25:25,621 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-22 02:25:25,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:25:25,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 02:25:25,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:25:25,845 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65df62f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:25:25,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 02:25:25,868 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) [2022-11-22 02:25:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-22 02:25:25,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:25:25,903 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:25:25,904 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 02:25:25,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:25:25,910 INFO L85 PathProgramCache]: Analyzing trace with hash 52558658, now seen corresponding path program 1 times [2022-11-22 02:25:25,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:25:25,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000104389] [2022-11-22 02:25:25,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:25:25,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:25:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:25:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-22 02:25:29,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:25:29,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000104389] [2022-11-22 02:25:29,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000104389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:25:29,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:25:29,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:25:29,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061445952] [2022-11-22 02:25:29,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:25:29,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:25:29,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:25:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:25:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:25:29,166 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-22 02:25:32,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:35,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:39,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:44,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:46,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:49,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:50,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:52,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:55,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:56,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:25:58,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:25:58,156 INFO L93 Difference]: Finished difference Result 11654 states and 18069 transitions. [2022-11-22 02:25:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:25:58,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 295 [2022-11-22 02:25:58,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:25:58,224 INFO L225 Difference]: With dead ends: 11654 [2022-11-22 02:25:58,225 INFO L226 Difference]: Without dead ends: 7054 [2022-11-22 02:25:58,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:25:58,265 INFO L413 NwaCegarLoop]: 6753 mSDtfsCounter, 5670 mSDsluCounter, 5475 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 21 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5674 SdHoareTripleChecker+Valid, 12228 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:25:58,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5674 Valid, 12228 Invalid, 1197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1168 Invalid, 8 Unknown, 0 Unchecked, 28.2s Time] [2022-11-22 02:25:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7054 states. [2022-11-22 02:25:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7054 to 7045. [2022-11-22 02:25:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7045 states, 4451 states have (on average 1.354751741181757) internal successors, (6030), 4603 states have internal predecessors, (6030), 2340 states have call successors, (2340), 264 states have call predecessors, (2340), 251 states have return successors, (2308), 2241 states have call predecessors, (2308), 2306 states have call successors, (2308) [2022-11-22 02:25:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7045 states to 7045 states and 10678 transitions. [2022-11-22 02:25:59,068 INFO L78 Accepts]: Start accepts. Automaton has 7045 states and 10678 transitions. Word has length 295 [2022-11-22 02:25:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:25:59,070 INFO L495 AbstractCegarLoop]: Abstraction has 7045 states and 10678 transitions. [2022-11-22 02:25:59,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-22 02:25:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 7045 states and 10678 transitions. [2022-11-22 02:25:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-22 02:25:59,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:25:59,081 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:25:59,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:25:59,082 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 02:25:59,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:25:59,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1534840561, now seen corresponding path program 1 times [2022-11-22 02:25:59,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:25:59,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570443917] [2022-11-22 02:25:59,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:25:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:25:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2022-11-22 02:26:01,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:01,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570443917] [2022-11-22 02:26:01,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570443917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:01,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:01,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:26:01,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404804551] [2022-11-22 02:26:01,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:01,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:26:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:26:01,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:01,242 INFO L87 Difference]: Start difference. First operand 7045 states and 10678 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) [2022-11-22 02:26:04,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:07,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:11,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:14,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:16,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:18,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:20,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:22,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:25,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:26,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:28,446 INFO L93 Difference]: Finished difference Result 20837 states and 31817 transitions. [2022-11-22 02:26:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:26:28,447 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 [2022-11-22 02:26:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:28,544 INFO L225 Difference]: With dead ends: 20837 [2022-11-22 02:26:28,544 INFO L226 Difference]: Without dead ends: 13837 [2022-11-22 02:26:28,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:28,580 INFO L413 NwaCegarLoop]: 6330 mSDtfsCounter, 5240 mSDsluCounter, 5065 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5244 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:28,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5244 Valid, 11395 Invalid, 1088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1078 Invalid, 7 Unknown, 0 Unchecked, 26.6s Time] [2022-11-22 02:26:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13837 states. [2022-11-22 02:26:29,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13837 to 13798. [2022-11-22 02:26:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13798 states, 8724 states have (on average 1.3568317285648785) internal successors, (11837), 9035 states have internal predecessors, (11837), 4585 states have call successors, (4585), 517 states have call predecessors, (4585), 486 states have return successors, (4731), 4373 states have call predecessors, (4731), 4519 states have call successors, (4731) [2022-11-22 02:26:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13798 states to 13798 states and 21153 transitions. [2022-11-22 02:26:29,861 INFO L78 Accepts]: Start accepts. Automaton has 13798 states and 21153 transitions. Word has length 298 [2022-11-22 02:26:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:29,863 INFO L495 AbstractCegarLoop]: Abstraction has 13798 states and 21153 transitions. [2022-11-22 02:26:29,864 INFO L496 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) [2022-11-22 02:26:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 13798 states and 21153 transitions. [2022-11-22 02:26:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-11-22 02:26:29,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:29,882 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:26:29,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:26:29,882 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 02:26:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:29,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1064244787, now seen corresponding path program 1 times [2022-11-22 02:26:29,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:29,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262208926] [2022-11-22 02:26:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2022-11-22 02:26:31,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:31,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262208926] [2022-11-22 02:26:31,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262208926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:31,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:31,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:26:31,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130706573] [2022-11-22 02:26:31,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:31,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:26:31,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:26:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:31,729 INFO L87 Difference]: Start difference. First operand 13798 states and 21153 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) [2022-11-22 02:26:35,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:38,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:41,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:44,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:47,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:49,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:51,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:54,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:26:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:56,035 INFO L93 Difference]: Finished difference Result 34173 states and 52395 transitions. [2022-11-22 02:26:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:26:56,036 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 [2022-11-22 02:26:56,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:56,147 INFO L225 Difference]: With dead ends: 34173 [2022-11-22 02:26:56,148 INFO L226 Difference]: Without dead ends: 20430 [2022-11-22 02:26:56,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:56,199 INFO L413 NwaCegarLoop]: 6257 mSDtfsCounter, 5139 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 16 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5143 SdHoareTripleChecker+Valid, 11216 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:56,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5143 Valid, 11216 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1134 Invalid, 7 Unknown, 0 Unchecked, 23.5s Time] [2022-11-22 02:26:56,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20430 states. [2022-11-22 02:26:58,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20430 to 20393. [2022-11-22 02:26:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20393 states, 12907 states have (on average 1.3544588207949175) internal successors, (17482), 13379 states have internal predecessors, (17482), 6761 states have call successors, (6761), 770 states have call predecessors, (6761), 722 states have return successors, (6971), 6435 states have call predecessors, (6971), 6664 states have call successors, (6971) [2022-11-22 02:26:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20393 states to 20393 states and 31214 transitions. [2022-11-22 02:26:58,184 INFO L78 Accepts]: Start accepts. Automaton has 20393 states and 31214 transitions. Word has length 321 [2022-11-22 02:26:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:58,188 INFO L495 AbstractCegarLoop]: Abstraction has 20393 states and 31214 transitions. [2022-11-22 02:26:58,188 INFO L496 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) [2022-11-22 02:26:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 20393 states and 31214 transitions. [2022-11-22 02:26:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-22 02:26:58,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:58,199 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:26:58,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:26:58,199 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 02:26:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:58,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1298579064, now seen corresponding path program 1 times [2022-11-22 02:26:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:58,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690158862] [2022-11-22 02:26:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:58,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2022-11-22 02:26:59,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:59,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690158862] [2022-11-22 02:26:59,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690158862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:59,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:59,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:26:59,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147633091] [2022-11-22 02:26:59,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:59,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:26:59,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:59,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:26:59,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:59,986 INFO L87 Difference]: Start difference. First operand 20393 states and 31214 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) [2022-11-22 02:27:03,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:06,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:09,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:11,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:15,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:17,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:19,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:22,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:24,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:26,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:26,234 INFO L93 Difference]: Finished difference Result 60185 states and 92067 transitions. [2022-11-22 02:27:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:27:26,235 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 [2022-11-22 02:27:26,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:26,618 INFO L225 Difference]: With dead ends: 60185 [2022-11-22 02:27:26,618 INFO L226 Difference]: Without dead ends: 39847 [2022-11-22 02:27:26,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:27:26,719 INFO L413 NwaCegarLoop]: 6293 mSDtfsCounter, 5024 mSDsluCounter, 4942 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 29 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:26,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5030 Valid, 11235 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1188 Invalid, 7 Unknown, 0 Unchecked, 24.9s Time] [2022-11-22 02:27:26,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39847 states. [2022-11-22 02:27:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39847 to 39794. [2022-11-22 02:27:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39794 states, 25156 states have (on average 1.3497773890920655) internal successors, (33955), 26113 states have internal predecessors, (33955), 13205 states have call successors, (13205), 1525 states have call predecessors, (13205), 1430 states have return successors, (13541), 12533 states have call predecessors, (13541), 13015 states have call successors, (13541) [2022-11-22 02:27:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39794 states to 39794 states and 60701 transitions. [2022-11-22 02:27:30,789 INFO L78 Accepts]: Start accepts. Automaton has 39794 states and 60701 transitions. Word has length 322 [2022-11-22 02:27:30,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:30,790 INFO L495 AbstractCegarLoop]: Abstraction has 39794 states and 60701 transitions. [2022-11-22 02:27:30,790 INFO L496 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) [2022-11-22 02:27:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 39794 states and 60701 transitions. [2022-11-22 02:27:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-22 02:27:30,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:30,802 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:30,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:27:30,802 INFO L420 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)] === [2022-11-22 02:27:30,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:30,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1457618027, now seen corresponding path program 1 times [2022-11-22 02:27:30,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:30,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979477621] [2022-11-22 02:27:30,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:30,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2022-11-22 02:27:32,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:32,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979477621] [2022-11-22 02:27:32,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979477621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:32,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:32,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:27:32,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764608688] [2022-11-22 02:27:32,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:32,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:27:32,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:32,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:27:32,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:27:32,571 INFO L87 Difference]: Start difference. First operand 39794 states and 60701 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-22 02:27:35,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:41,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:43,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:45,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:46,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:49,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:51,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:52,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:55,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:27:58,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:01,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:28:01,307 INFO L93 Difference]: Finished difference Result 95959 states and 146011 transitions. [2022-11-22 02:28:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:28:01,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 315 [2022-11-22 02:28:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:28:01,825 INFO L225 Difference]: With dead ends: 95959 [2022-11-22 02:28:01,826 INFO L226 Difference]: Without dead ends: 56220 [2022-11-22 02:28:02,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:28:02,009 INFO L413 NwaCegarLoop]: 5979 mSDtfsCounter, 3904 mSDsluCounter, 4889 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 15 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3906 SdHoareTripleChecker+Valid, 10868 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:28:02,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3906 Valid, 10868 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1201 Invalid, 6 Unknown, 0 Unchecked, 26.3s Time] [2022-11-22 02:28:02,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56220 states. [2022-11-22 02:28:06,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56220 to 56172. [2022-11-22 02:28:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56172 states, 35184 states have (on average 1.3379661209640745) internal successors, (47075), 36643 states have internal predecessors, (47075), 18793 states have call successors, (18793), 2339 states have call predecessors, (18793), 2192 states have return successors, (19307), 17771 states have call predecessors, (19307), 18551 states have call successors, (19307) [2022-11-22 02:28:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56172 states to 56172 states and 85175 transitions. [2022-11-22 02:28:07,056 INFO L78 Accepts]: Start accepts. Automaton has 56172 states and 85175 transitions. Word has length 315 [2022-11-22 02:28:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:28:07,058 INFO L495 AbstractCegarLoop]: Abstraction has 56172 states and 85175 transitions. [2022-11-22 02:28:07,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-22 02:28:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 56172 states and 85175 transitions. [2022-11-22 02:28:07,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-22 02:28:07,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:28:07,070 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:28:07,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:28:07,070 INFO L420 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)] === [2022-11-22 02:28:07,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:28:07,071 INFO L85 PathProgramCache]: Analyzing trace with hash 817202832, now seen corresponding path program 1 times [2022-11-22 02:28:07,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:28:07,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941600259] [2022-11-22 02:28:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:28:07,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:28:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:28:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2022-11-22 02:28:10,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:28:10,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941600259] [2022-11-22 02:28:10,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941600259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:28:10,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:28:10,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:28:10,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941005412] [2022-11-22 02:28:10,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:28:10,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:28:10,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:28:10,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:28:10,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:28:10,608 INFO L87 Difference]: Start difference. First operand 56172 states and 85175 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) [2022-11-22 02:28:14,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:19,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:22,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:24,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:26,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:28,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:32,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:34,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:38,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:40,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:42,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:44,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:46,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:28:49,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:28:49,652 INFO L93 Difference]: Finished difference Result 102609 states and 155688 transitions. [2022-11-22 02:28:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:28:49,653 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 [2022-11-22 02:28:49,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:28:50,213 INFO L225 Difference]: With dead ends: 102609 [2022-11-22 02:28:50,213 INFO L226 Difference]: Without dead ends: 102607 [2022-11-22 02:28:50,265 INFO L412 NwaCegarLoop]: 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 [2022-11-22 02:28:50,266 INFO L413 NwaCegarLoop]: 6157 mSDtfsCounter, 5244 mSDsluCounter, 17211 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5264 SdHoareTripleChecker+Valid, 23368 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:28:50,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5264 Valid, 23368 Invalid, 2171 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 2159 Invalid, 10 Unknown, 0 Unchecked, 35.7s Time] [2022-11-22 02:28:50,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102607 states. [2022-11-22 02:28:56,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102607 to 102596. [2022-11-22 02:28:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102596 states, 64278 states have (on average 1.3394629577771555) internal successors, (86098), 66941 states have internal predecessors, (86098), 34321 states have call successors, (34321), 4262 states have call predecessors, (34321), 3994 states have return successors, (35259), 32446 states have call predecessors, (35259), 33875 states have call successors, (35259) [2022-11-22 02:28:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102596 states to 102596 states and 155678 transitions. [2022-11-22 02:28:58,276 INFO L78 Accepts]: Start accepts. Automaton has 102596 states and 155678 transitions. Word has length 339 [2022-11-22 02:28:58,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:28:58,278 INFO L495 AbstractCegarLoop]: Abstraction has 102596 states and 155678 transitions. [2022-11-22 02:28:58,278 INFO L496 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) [2022-11-22 02:28:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 102596 states and 155678 transitions. [2022-11-22 02:28:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-22 02:28:58,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:28:58,292 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:28:58,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:28:58,292 INFO L420 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)] === [2022-11-22 02:28:58,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:28:58,293 INFO L85 PathProgramCache]: Analyzing trace with hash 308974839, now seen corresponding path program 1 times [2022-11-22 02:28:58,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:28:58,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392842643] [2022-11-22 02:28:58,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:28:58,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:28:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:29:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2922 trivial. 0 not checked. [2022-11-22 02:29:00,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:29:00,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392842643] [2022-11-22 02:29:00,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392842643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:29:00,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:29:00,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:29:00,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785417052] [2022-11-22 02:29:00,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:29:00,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:29:00,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:29:00,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:29:00,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:29:00,330 INFO L87 Difference]: Start difference. First operand 102596 states and 155678 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) [2022-11-22 02:29:03,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:08,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:11,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:15,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:16,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:19,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:21,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:24,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:27,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:29:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:29:31,432 INFO L93 Difference]: Finished difference Result 280161 states and 425314 transitions. [2022-11-22 02:29:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:29:31,432 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 [2022-11-22 02:29:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:29:32,689 INFO L225 Difference]: With dead ends: 280161 [2022-11-22 02:29:32,689 INFO L226 Difference]: Without dead ends: 177620 [2022-11-22 02:29:33,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:29:33,052 INFO L413 NwaCegarLoop]: 6578 mSDtfsCounter, 5133 mSDsluCounter, 4970 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5139 SdHoareTripleChecker+Valid, 11548 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:29:33,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5139 Valid, 11548 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1170 Invalid, 8 Unknown, 0 Unchecked, 24.6s Time] [2022-11-22 02:29:33,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177620 states.