./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 4e7fbc69 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 13:49:45,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:49:45,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:49:45,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:49:45,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:49:45,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:49:45,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:49:45,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:49:45,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:49:45,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:49:45,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:49:45,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:49:45,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:49:45,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:49:45,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:49:45,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:49:45,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:49:45,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:49:45,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:49:45,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:49:45,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:49:45,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:49:45,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:49:45,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:49:45,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:49:45,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:49:45,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:49:45,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:49:45,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:49:45,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:49:45,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:49:45,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:49:45,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:49:45,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:49:45,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:49:45,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:49:45,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:49:45,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:49:45,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:49:45,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:49:45,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:49:45,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:49:46,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:49:46,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:49:46,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:49:46,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:49:46,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:49:46,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:49:46,018 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:49:46,018 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:49:46,018 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:49:46,019 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:49:46,020 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:49:46,020 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:49:46,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:49:46,021 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:49:46,021 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:49:46,021 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:49:46,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:49:46,022 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:49:46,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:49:46,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:49:46,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:49:46,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:49:46,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:49:46,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:49:46,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:49:46,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:49:46,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:49:46,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:49:46,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:49:46,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:49:46,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:49:46,028 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:49:46,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:49:46,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:49:46,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:49:46,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:49:46,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:49:46,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:49:46,030 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 [2022-11-23 13:49:46,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:49:46,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:49:46,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:49:46,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:49:46,331 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:49:46,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 13:49:49,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:49:50,421 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:49:50,421 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 13:49:50,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/data/70f70690a/b22a01f0ad96477198b67e0ba784aeab/FLAG986b35d77 [2022-11-23 13:49:50,514 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/data/70f70690a/b22a01f0ad96477198b67e0ba784aeab [2022-11-23 13:49:50,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:49:50,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:49:50,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:49:50,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:49:50,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:49:50,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:50" (1/1) ... [2022-11-23 13:49:50,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57429191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:50, skipping insertion in model container [2022-11-23 13:49:50,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:50" (1/1) ... [2022-11-23 13:49:50,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:49:50,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:49:59,361 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2022-11-23 13:49:59,365 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2022-11-23 13:49:59,366 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2022-11-23 13:49:59,367 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2022-11-23 13:49:59,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:49:59,588 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:50:00,612 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2022-11-23 13:50:00,612 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2022-11-23 13:50:00,613 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2022-11-23 13:50:00,613 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_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2022-11-23 13:50:00,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:50:00,993 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:50:00,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00 WrapperNode [2022-11-23 13:50:00,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:50:00,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:50:00,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:50:00,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:50:01,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:01,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:02,106 INFO L138 Inliner]: procedures = 719, calls = 11082, calls flagged for inlining = 379, calls inlined = 356, statements flattened = 25837 [2022-11-23 13:50:02,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:50:02,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:50:02,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:50:02,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:50:02,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:02,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:02,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:02,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:03,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:03,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:03,543 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:03,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:03,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:50:03,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:50:03,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:50:03,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:50:03,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (1/1) ... [2022-11-23 13:50:03,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:50:03,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:50:03,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:50:03,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f6760e-fb77-4396-9e32-3fa01e1ba7f1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:50:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-23 13:50:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-23 13:50:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-23 13:50:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-23 13:50:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-23 13:50:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-23 13:50:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 13:50:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 13:50:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 13:50:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 13:50:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-23 13:50:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-23 13:50:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-23 13:50:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-23 13:50:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-23 13:50:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-23 13:50:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-23 13:50:04,053 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-23 13:50:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-23 13:50:04,054 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-23 13:50:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 13:50:04,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 13:50:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-23 13:50:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-23 13:50:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-23 13:50:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-23 13:50:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 13:50:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 13:50:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-23 13:50:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-23 13:50:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 13:50:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 13:50:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-23 13:50:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-23 13:50:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-23 13:50:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-23 13:50:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-23 13:50:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-23 13:50:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-23 13:50:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-23 13:50:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 13:50:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-23 13:50:04,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-23 13:50:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 13:50:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 13:50:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-23 13:50:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-23 13:50:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-23 13:50:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-23 13:50:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-23 13:50:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-23 13:50:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 13:50:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 13:50:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 13:50:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 13:50:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-23 13:50:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-23 13:50:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-23 13:50:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-23 13:50:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-23 13:50:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-23 13:50:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:50:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-23 13:50:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-23 13:50:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-23 13:50:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-23 13:50:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 13:50:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 13:50:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-23 13:50:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-23 13:50:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-23 13:50:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-23 13:50:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-23 13:50:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-23 13:50:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-23 13:50:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-23 13:50:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 13:50:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-23 13:50:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-23 13:50:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 13:50:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 13:50:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-23 13:50:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-23 13:50:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 13:50:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 13:50:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 13:50:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-23 13:50:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-23 13:50:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:50:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-23 13:50:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-23 13:50:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 13:50:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 13:50:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 13:50:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 13:50:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-23 13:50:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-23 13:50:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 13:50:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 13:50:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 13:50:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 13:50:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-23 13:50:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-23 13:50:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-23 13:50:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-23 13:50:04,083 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-23 13:50:04,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-23 13:50:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-23 13:50:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-23 13:50:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-23 13:50:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-23 13:50:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-23 13:50:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-23 13:50:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-23 13:50:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-23 13:50:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-23 13:50:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-23 13:50:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-23 13:50:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-23 13:50:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 13:50:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 13:50:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-23 13:50:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-23 13:50:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:50:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 13:50:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 13:50:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 13:50:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 13:50:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 13:50:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 13:50:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 13:50:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 13:50:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 13:50:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 13:50:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-23 13:50:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-23 13:50:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:50:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 13:50:04,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 13:50:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 13:50:04,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 13:50:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:50:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 13:50:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-23 13:50:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-23 13:50:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:50:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:50:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:50:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:50:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-23 13:50:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-23 13:50:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-23 13:50:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-23 13:50:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 13:50:04,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 13:50:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-23 13:50:04,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-23 13:50:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-23 13:50:04,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-23 13:50:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 13:50:04,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 13:50:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-23 13:50:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-23 13:50:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-23 13:50:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-23 13:50:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-23 13:50:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-23 13:50:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-23 13:50:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-23 13:50:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-23 13:50:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-23 13:50:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2022-11-23 13:50:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2022-11-23 13:50:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-23 13:50:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-23 13:50:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-23 13:50:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-23 13:50:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-23 13:50:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-23 13:50:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-23 13:50:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-23 13:50:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:50:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:50:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-23 13:50:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-23 13:50:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-23 13:50:04,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-23 13:50:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-23 13:50:04,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-23 13:50:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-23 13:50:04,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-23 13:50:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 13:50:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 13:50:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 13:50:04,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 13:50:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-23 13:50:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-23 13:50:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-23 13:50:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-23 13:50:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 13:50:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 13:50:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 13:50:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 13:50:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-23 13:50:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-23 13:50:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 13:50:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 13:50:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-23 13:50:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-23 13:50:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2022-11-23 13:50:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2022-11-23 13:50:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-23 13:50:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-23 13:50:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-23 13:50:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-23 13:50:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-23 13:50:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-23 13:50:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-23 13:50:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-23 13:50:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-23 13:50:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-23 13:50:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 13:50:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 13:50:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-23 13:50:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-23 13:50:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:50:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:50:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-23 13:50:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-23 13:50:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-23 13:50:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-23 13:50:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 13:50:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 13:50:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-23 13:50:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-23 13:50:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-23 13:50:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-23 13:50:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-23 13:50:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-23 13:50:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-23 13:50:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-23 13:50:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-23 13:50:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-23 13:50:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:50:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:50:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-23 13:50:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-23 13:50:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-23 13:50:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-23 13:50:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-23 13:50:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-23 13:50:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-23 13:50:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-23 13:50:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-23 13:50:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-23 13:50:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-23 13:50:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-23 13:50:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 13:50:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 13:50:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 13:50:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 13:50:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 13:50:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 13:50:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 13:50:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-23 13:50:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-23 13:50:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2022-11-23 13:50:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2022-11-23 13:50:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-23 13:50:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-23 13:50:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 13:50:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 13:50:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-23 13:50:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-23 13:50:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-23 13:50:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-23 13:50:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-23 13:50:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-23 13:50:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-23 13:50:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-23 13:50:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-23 13:50:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-23 13:50:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-23 13:50:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-23 13:50:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-23 13:50:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-23 13:50:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-23 13:50:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-23 13:50:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-23 13:50:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-23 13:50:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-23 13:50:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-23 13:50:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-23 13:50:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-23 13:50:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 13:50:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 13:50:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2022-11-23 13:50:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2022-11-23 13:50:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 13:50:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 13:50:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-23 13:50:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-23 13:50:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-23 13:50:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-23 13:50:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-23 13:50:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-23 13:50:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-23 13:50:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-23 13:50:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:50:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-23 13:50:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-23 13:50:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 13:50:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 13:50:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-23 13:50:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-23 13:50:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2022-11-23 13:50:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2022-11-23 13:50:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-23 13:50:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-23 13:50:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-23 13:50:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-23 13:50:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-23 13:50:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-23 13:50:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-23 13:50:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-23 13:50:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 13:50:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 13:50:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-23 13:50:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-23 13:50:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-23 13:50:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-23 13:50:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-23 13:50:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-23 13:50:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-23 13:50:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-23 13:50:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-23 13:50:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-23 13:50:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-23 13:50:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-23 13:50:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 13:50:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 13:50:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-23 13:50:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-23 13:50:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 13:50:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 13:50:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-23 13:50:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-23 13:50:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-23 13:50:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-23 13:50:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-23 13:50:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-23 13:50:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 13:50:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 13:50:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-23 13:50:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-23 13:50:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:50:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-23 13:50:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-23 13:50:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-23 13:50:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-23 13:50:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 13:50:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 13:50:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-23 13:50:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-23 13:50:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 13:50:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 13:50:06,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:50:06,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:50:10,701 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 13:52:22,137 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 13:52:22,764 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:52:34,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:52:34,492 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-23 13:52:34,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:34 BoogieIcfgContainer [2022-11-23 13:52:34,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:52:34,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:52:34,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:52:34,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:52:34,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:49:50" (1/3) ... [2022-11-23 13:52:34,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc03534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:34, skipping insertion in model container [2022-11-23 13:52:34,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:00" (2/3) ... [2022-11-23 13:52:34,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc03534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:34, skipping insertion in model container [2022-11-23 13:52:34,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:34" (3/3) ... [2022-11-23 13:52:34,516 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 13:52:34,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:52:34,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 13:52:34,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:52:34,712 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;@496bcc9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:52:34,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 13:52:34,739 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) [2022-11-23 13:52:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-23 13:52:34,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:52:34,780 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] [2022-11-23 13:52:34,781 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)] === [2022-11-23 13:52:34,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:52:34,788 INFO L85 PathProgramCache]: Analyzing trace with hash 52558658, now seen corresponding path program 1 times [2022-11-23 13:52:34,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:52:34,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871100853] [2022-11-23 13:52:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:52:34,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:52:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:52:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-23 13:52:37,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:52:37,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871100853] [2022-11-23 13:52:37,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871100853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:52:37,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:52:37,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:52:37,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916957668] [2022-11-23 13:52:37,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:52:37,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:52:37,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:52:37,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:52:37,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:52:37,918 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) [2022-11-23 13:52:41,043 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 [] [2022-11-23 13:52:44,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:46,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:49,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:50,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:54,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:56,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:59,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:01,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:03,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:06,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:07,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:07,836 INFO L93 Difference]: Finished difference Result 11637 states and 18044 transitions. [2022-11-23 13:53:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:53:07,839 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 [2022-11-23 13:53:07,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:07,915 INFO L225 Difference]: With dead ends: 11637 [2022-11-23 13:53:07,915 INFO L226 Difference]: Without dead ends: 7037 [2022-11-23 13:53:07,957 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 [2022-11-23 13:53:07,961 INFO L413 NwaCegarLoop]: 6730 mSDtfsCounter, 5642 mSDsluCounter, 5475 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 21 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5648 SdHoareTripleChecker+Valid, 12205 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:07,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5648 Valid, 12205 Invalid, 1193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1164 Invalid, 8 Unknown, 0 Unchecked, 29.2s Time] [2022-11-23 13:53:07,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7037 states. [2022-11-23 13:53:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7037 to 7027. [2022-11-23 13:53:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7027 states, 4440 states have (on average 1.3549549549549549) internal successors, (6016), 4592 states have internal predecessors, (6016), 2333 states have call successors, (2333), 264 states have call predecessors, (2333), 251 states have return successors, (2303), 2233 states have call predecessors, (2303), 2299 states have call successors, (2303) [2022-11-23 13:53:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7027 states to 7027 states and 10652 transitions. [2022-11-23 13:53:08,836 INFO L78 Accepts]: Start accepts. Automaton has 7027 states and 10652 transitions. Word has length 295 [2022-11-23 13:53:08,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:08,841 INFO L495 AbstractCegarLoop]: Abstraction has 7027 states and 10652 transitions. [2022-11-23 13:53:08,843 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) [2022-11-23 13:53:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7027 states and 10652 transitions. [2022-11-23 13:53:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-23 13:53:08,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:08,867 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] [2022-11-23 13:53:08,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:53:08,868 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)] === [2022-11-23 13:53:08,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:08,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1534840561, now seen corresponding path program 1 times [2022-11-23 13:53:08,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:08,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641638706] [2022-11-23 13:53:08,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:08,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2022-11-23 13:53:10,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:10,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641638706] [2022-11-23 13:53:10,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641638706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:10,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:10,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:53:10,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476837896] [2022-11-23 13:53:10,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:10,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:53:10,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:10,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:53:10,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:53:10,924 INFO L87 Difference]: Start difference. First operand 7027 states and 10652 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) [2022-11-23 13:53:14,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:17,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:21,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:24,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:26,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:28,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:30,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:32,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:35,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:37,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:38,903 INFO L93 Difference]: Finished difference Result 20783 states and 31739 transitions. [2022-11-23 13:53:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:53:38,904 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 [2022-11-23 13:53:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:39,034 INFO L225 Difference]: With dead ends: 20783 [2022-11-23 13:53:39,034 INFO L226 Difference]: Without dead ends: 13801 [2022-11-23 13:53:39,078 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 [2022-11-23 13:53:39,082 INFO L413 NwaCegarLoop]: 6314 mSDtfsCounter, 5240 mSDsluCounter, 5065 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5244 SdHoareTripleChecker+Valid, 11379 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:39,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5244 Valid, 11379 Invalid, 1083 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1072 Invalid, 8 Unknown, 0 Unchecked, 27.3s Time] [2022-11-23 13:53:39,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13801 states. [2022-11-23 13:53:40,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13801 to 13762. [2022-11-23 13:53:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13762 states, 8702 states have (on average 1.3570443576189382) internal successors, (11809), 9013 states have internal predecessors, (11809), 4571 states have call successors, (4571), 517 states have call predecessors, (4571), 486 states have return successors, (4721), 4357 states have call predecessors, (4721), 4505 states have call successors, (4721) [2022-11-23 13:53:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13762 states to 13762 states and 21101 transitions. [2022-11-23 13:53:40,559 INFO L78 Accepts]: Start accepts. Automaton has 13762 states and 21101 transitions. Word has length 298 [2022-11-23 13:53:40,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:40,565 INFO L495 AbstractCegarLoop]: Abstraction has 13762 states and 21101 transitions. [2022-11-23 13:53:40,565 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) [2022-11-23 13:53:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 13762 states and 21101 transitions. [2022-11-23 13:53:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-11-23 13:53:40,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:40,579 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] [2022-11-23 13:53:40,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:53:40,579 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)] === [2022-11-23 13:53:40,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:40,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1064244787, now seen corresponding path program 1 times [2022-11-23 13:53:40,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:40,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386801317] [2022-11-23 13:53:40,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:40,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2022-11-23 13:53:42,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:42,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386801317] [2022-11-23 13:53:42,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386801317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:42,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:42,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:53:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345689267] [2022-11-23 13:53:42,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:42,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:53:42,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:53:42,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:53:42,815 INFO L87 Difference]: Start difference. First operand 13762 states and 21101 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) [2022-11-23 13:53:46,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:49,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:52,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:56,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:58,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:00,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:03,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:05,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:06,915 INFO L93 Difference]: Finished difference Result 34067 states and 52241 transitions. [2022-11-23 13:54:06,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:54:06,919 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 [2022-11-23 13:54:06,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:07,066 INFO L225 Difference]: With dead ends: 34067 [2022-11-23 13:54:07,066 INFO L226 Difference]: Without dead ends: 20360 [2022-11-23 13:54:07,129 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 [2022-11-23 13:54:07,130 INFO L413 NwaCegarLoop]: 6234 mSDtfsCounter, 5111 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 16 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5117 SdHoareTripleChecker+Valid, 11193 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:07,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5117 Valid, 11193 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1128 Invalid, 8 Unknown, 0 Unchecked, 23.3s Time] [2022-11-23 13:54:07,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20360 states. [2022-11-23 13:54:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20360 to 20321. [2022-11-23 13:54:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20321 states, 12863 states have (on average 1.3547383969524993) internal successors, (17426), 13335 states have internal predecessors, (17426), 6733 states have call successors, (6733), 770 states have call predecessors, (6733), 722 states have return successors, (6951), 6403 states have call predecessors, (6951), 6636 states have call successors, (6951) [2022-11-23 13:54:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20321 states to 20321 states and 31110 transitions. [2022-11-23 13:54:09,239 INFO L78 Accepts]: Start accepts. Automaton has 20321 states and 31110 transitions. Word has length 321 [2022-11-23 13:54:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:09,240 INFO L495 AbstractCegarLoop]: Abstraction has 20321 states and 31110 transitions. [2022-11-23 13:54:09,241 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) [2022-11-23 13:54:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 20321 states and 31110 transitions. [2022-11-23 13:54:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-23 13:54:09,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:09,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:09,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:54:09,255 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)] === [2022-11-23 13:54:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2111076958, now seen corresponding path program 1 times [2022-11-23 13:54:09,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:09,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365171054] [2022-11-23 13:54:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2022-11-23 13:54:10,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:10,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365171054] [2022-11-23 13:54:10,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365171054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:10,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:10,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:54:10,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149500456] [2022-11-23 13:54:10,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:10,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:54:10,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:54:10,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:54:10,906 INFO L87 Difference]: Start difference. First operand 20321 states and 31110 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-23 13:54:14,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:18,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:20,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:23,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:25,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:28,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:33,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:36,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:36,147 INFO L93 Difference]: Finished difference Result 49036 states and 74922 transitions. [2022-11-23 13:54:36,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:54:36,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 332 [2022-11-23 13:54:36,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:36,321 INFO L225 Difference]: With dead ends: 49036 [2022-11-23 13:54:36,321 INFO L226 Difference]: Without dead ends: 28770 [2022-11-23 13:54:36,407 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 [2022-11-23 13:54:36,408 INFO L413 NwaCegarLoop]: 5973 mSDtfsCounter, 3903 mSDsluCounter, 4889 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 15 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3905 SdHoareTripleChecker+Valid, 10862 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:36,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3905 Valid, 10862 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1198 Invalid, 7 Unknown, 0 Unchecked, 24.2s Time] [2022-11-23 13:54:36,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28770 states. [2022-11-23 13:54:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28770 to 28730. [2022-11-23 13:54:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28730 states, 18032 states have (on average 1.344332298136646) internal successors, (24241), 18751 states have internal predecessors, (24241), 9591 states have call successors, (9591), 1178 states have call predecessors, (9591), 1104 states have return successors, (9931), 9090 states have call predecessors, (9931), 9468 states have call successors, (9931) [2022-11-23 13:54:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28730 states to 28730 states and 43763 transitions. [2022-11-23 13:54:39,246 INFO L78 Accepts]: Start accepts. Automaton has 28730 states and 43763 transitions. Word has length 332 [2022-11-23 13:54:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:39,247 INFO L495 AbstractCegarLoop]: Abstraction has 28730 states and 43763 transitions. [2022-11-23 13:54:39,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-23 13:54:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 28730 states and 43763 transitions. [2022-11-23 13:54:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-23 13:54:39,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:39,259 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] [2022-11-23 13:54:39,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:54:39,259 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)] === [2022-11-23 13:54:39,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1298579064, now seen corresponding path program 1 times [2022-11-23 13:54:39,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:39,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550124540] [2022-11-23 13:54:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:39,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2022-11-23 13:54:41,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:41,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550124540] [2022-11-23 13:54:41,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550124540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:41,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:41,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:54:41,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647221656] [2022-11-23 13:54:41,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:41,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:54:41,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:41,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:54:41,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:54:41,384 INFO L87 Difference]: Start difference. First operand 28730 states and 43763 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) [2022-11-23 13:54:44,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:50,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:52,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:54,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:56,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:59,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:01,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:03,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:06,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:08,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:09,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:12,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:13,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:55:13,610 INFO L93 Difference]: Finished difference Result 84862 states and 129148 transitions. [2022-11-23 13:55:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:55:13,611 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 [2022-11-23 13:55:13,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:55:13,947 INFO L225 Difference]: With dead ends: 84862 [2022-11-23 13:55:13,947 INFO L226 Difference]: Without dead ends: 56187 [2022-11-23 13:55:14,059 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 [2022-11-23 13:55:14,061 INFO L413 NwaCegarLoop]: 7989 mSDtfsCounter, 5051 mSDsluCounter, 4942 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 29 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5055 SdHoareTripleChecker+Valid, 12931 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:55:14,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5055 Valid, 12931 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1336 Invalid, 8 Unknown, 0 Unchecked, 30.2s Time] [2022-11-23 13:55:14,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56187 states. [2022-11-23 13:55:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56187 to 56132. [2022-11-23 13:55:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56132 states, 35160 states have (on average 1.3380261660978385) internal successors, (47045), 36619 states have internal predecessors, (47045), 18779 states have call successors, (18779), 2337 states have call predecessors, (18779), 2190 states have return successors, (19295), 17755 states have call predecessors, (19295), 18537 states have call successors, (19295) [2022-11-23 13:55:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56132 states to 56132 states and 85119 transitions. [2022-11-23 13:55:18,319 INFO L78 Accepts]: Start accepts. Automaton has 56132 states and 85119 transitions. Word has length 322 [2022-11-23 13:55:18,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:55:18,322 INFO L495 AbstractCegarLoop]: Abstraction has 56132 states and 85119 transitions. [2022-11-23 13:55:18,322 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) [2022-11-23 13:55:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 56132 states and 85119 transitions. [2022-11-23 13:55:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-23 13:55:18,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:55:18,334 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] [2022-11-23 13:55:18,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:55:18,335 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)] === [2022-11-23 13:55:18,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:55:18,335 INFO L85 PathProgramCache]: Analyzing trace with hash 817202832, now seen corresponding path program 1 times [2022-11-23 13:55:18,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:55:18,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236966027] [2022-11-23 13:55:18,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:18,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:55:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2022-11-23 13:55:22,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:55:22,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236966027] [2022-11-23 13:55:22,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236966027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:55:22,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:55:22,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:55:22,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406059136] [2022-11-23 13:55:22,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:55:22,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:55:22,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:55:22,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:55:22,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:55:22,295 INFO L87 Difference]: Start difference. First operand 56132 states and 85119 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) [2022-11-23 13:55:26,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:31,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:34,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:36,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:38,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:41,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:42,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:46,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:48,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:55,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:58,164 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 [] [2022-11-23 13:56:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:56:01,946 INFO L93 Difference]: Finished difference Result 102569 states and 155632 transitions. [2022-11-23 13:56:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 13:56:01,947 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 [2022-11-23 13:56:01,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:56:02,671 INFO L225 Difference]: With dead ends: 102569 [2022-11-23 13:56:02,671 INFO L226 Difference]: Without dead ends: 102567 [2022-11-23 13:56:02,722 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 [2022-11-23 13:56:02,726 INFO L413 NwaCegarLoop]: 6157 mSDtfsCounter, 5244 mSDsluCounter, 17211 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5264 SdHoareTripleChecker+Valid, 23368 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:56:02,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5264 Valid, 23368 Invalid, 2172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2161 Invalid, 9 Unknown, 0 Unchecked, 36.4s Time] [2022-11-23 13:56:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102567 states. [2022-11-23 13:56:10,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102567 to 102556. [2022-11-23 13:56:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102556 states, 64254 states have (on average 1.3394963737666137) internal successors, (86068), 66917 states have internal predecessors, (86068), 34307 states have call successors, (34307), 4260 states have call predecessors, (34307), 3992 states have return successors, (35247), 32430 states have call predecessors, (35247), 33861 states have call successors, (35247) [2022-11-23 13:56:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102556 states to 102556 states and 155622 transitions. [2022-11-23 13:56:11,090 INFO L78 Accepts]: Start accepts. Automaton has 102556 states and 155622 transitions. Word has length 339 [2022-11-23 13:56:11,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:56:11,091 INFO L495 AbstractCegarLoop]: Abstraction has 102556 states and 155622 transitions. [2022-11-23 13:56:11,091 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) [2022-11-23 13:56:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 102556 states and 155622 transitions. [2022-11-23 13:56:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-23 13:56:11,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:56:11,106 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] [2022-11-23 13:56:11,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 13:56:11,106 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)] === [2022-11-23 13:56:11,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:56:11,107 INFO L85 PathProgramCache]: Analyzing trace with hash 308974839, now seen corresponding path program 1 times [2022-11-23 13:56:11,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:56:11,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827482757] [2022-11-23 13:56:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:56:11,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:56:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:56:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2922 trivial. 0 not checked. [2022-11-23 13:56:13,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:56:13,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827482757] [2022-11-23 13:56:13,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827482757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:56:13,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:56:13,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:56:13,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460172173] [2022-11-23 13:56:13,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:56:13,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:56:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:56:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:56:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:56:13,346 INFO L87 Difference]: Start difference. First operand 102556 states and 155622 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) [2022-11-23 13:56:16,712 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 [] [2022-11-23 13:56:21,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:25,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:29,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:31,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:35,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:36,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:39,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:42,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:56:46,327 INFO L93 Difference]: Finished difference Result 280409 states and 425674 transitions. [2022-11-23 13:56:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:56:46,327 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 [2022-11-23 13:56:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:56:47,170 INFO L225 Difference]: With dead ends: 280409 [2022-11-23 13:56:47,170 INFO L226 Difference]: Without dead ends: 177908 [2022-11-23 13:56:47,795 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 [2022-11-23 13:56:47,796 INFO L413 NwaCegarLoop]: 6585 mSDtfsCounter, 5160 mSDsluCounter, 4970 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5164 SdHoareTripleChecker+Valid, 11555 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:56:47,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5164 Valid, 11555 Invalid, 1190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1169 Invalid, 8 Unknown, 0 Unchecked, 26.0s Time] [2022-11-23 13:56:47,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177908 states.