./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS --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 d88980e24377daa45068c6e4fe090f3a4be139e16663cf138c162fc55d6daf92 --- 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-8393723 [2022-11-19 06:39:41,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:39:41,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:39:41,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:39:41,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:39:41,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:39:41,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:39:41,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:39:41,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:39:41,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:39:41,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:39:41,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:39:41,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:39:41,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:39:41,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:39:41,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:39:41,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:39:41,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:39:41,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:39:41,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:39:41,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:39:41,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:39:41,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:39:41,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:39:41,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:39:41,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:39:41,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:39:41,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:39:41,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:39:41,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:39:41,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:39:41,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:39:41,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:39:41,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:39:41,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:39:41,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:39:41,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:39:41,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:39:41,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:39:41,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:39:41,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:39:41,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:39:41,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:39:41,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:39:41,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:39:41,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:39:41,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:39:41,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:39:41,961 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:39:41,962 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:39:41,962 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:39:41,962 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:39:41,963 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:39:41,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:39:41,964 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:39:41,964 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:39:41,964 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:39:41,964 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:39:41,965 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:39:41,965 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:39:41,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:39:41,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:39:41,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:39:41,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:39:41,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:39:41,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:39:41,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:39:41,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:39:41,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:39:41,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:39:41,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:39:41,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:39:41,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:39:41,970 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:39:41,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:39:41,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:39:41,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:39:41,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:39:41,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:39:41,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:39:41,972 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_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88980e24377daa45068c6e4fe090f3a4be139e16663cf138c162fc55d6daf92 [2022-11-19 06:39:42,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:39:42,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:39:42,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:39:42,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:39:42,310 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:39:42,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-19 06:39:42,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/data/a7bc8d034/af4981e32a69415eb548238f26ccd890/FLAG91f711911 [2022-11-19 06:39:43,746 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:39:43,747 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-19 06:39:43,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/data/a7bc8d034/af4981e32a69415eb548238f26ccd890/FLAG91f711911 [2022-11-19 06:39:44,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/data/a7bc8d034/af4981e32a69415eb548238f26ccd890 [2022-11-19 06:39:44,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:39:44,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:39:44,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:39:44,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:39:44,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:39:44,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:39:44" (1/1) ... [2022-11-19 06:39:44,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503c266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:44, skipping insertion in model container [2022-11-19 06:39:44,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:39:44" (1/1) ... [2022-11-19 06:39:44,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:39:44,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:39:52,456 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887303,887316] [2022-11-19 06:39:52,461 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887469,887482] [2022-11-19 06:39:52,461 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887633,887646] [2022-11-19 06:39:52,462 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887798,887811] [2022-11-19 06:39:52,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:39:52,754 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:39:53,860 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887303,887316] [2022-11-19 06:39:53,861 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887469,887482] [2022-11-19 06:39:53,862 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887633,887646] [2022-11-19 06:39:53,862 WARN L234 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_55182025-726e-46b0-bddc-a113108c5cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887798,887811] [2022-11-19 06:39:53,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:39:54,286 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:39:54,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54 WrapperNode [2022-11-19 06:39:54,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:39:54,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:39:54,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:39:54,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:39:54,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:54,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:55,530 INFO L138 Inliner]: procedures = 583, calls = 10820, calls flagged for inlining = 348, calls inlined = 336, statements flattened = 26157 [2022-11-19 06:39:55,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:39:55,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:39:55,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:39:55,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:39:55,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:55,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:56,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:56,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:57,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:57,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:57,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:57,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:57,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:39:57,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:39:57,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:39:57,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:39:57,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (1/1) ... [2022-11-19 06:39:57,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:39:57,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:57,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:39:57,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55182025-726e-46b0-bddc-a113108c5cc5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:39:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-19 06:39:57,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-19 06:39:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-19 06:39:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-19 06:39:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-19 06:39:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-19 06:39:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 06:39:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 06:39:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:39:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:39:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-19 06:39:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-19 06:39:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-19 06:39:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-19 06:39:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-19 06:39:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-19 06:39:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-19 06:39:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-19 06:39:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-19 06:39:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-19 06:39:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-19 06:39:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-19 06:39:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-19 06:39:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-19 06:39:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:39:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:39:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:39:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:39:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 06:39:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 06:39:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-19 06:39:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-19 06:39:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-19 06:39:57,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-19 06:39:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-19 06:39:57,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-19 06:39:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-19 06:39:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-19 06:39:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:39:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-19 06:39:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-19 06:39:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 06:39:57,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 06:39:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-19 06:39:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-19 06:39:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-19 06:39:57,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-19 06:39:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-19 06:39:57,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-19 06:39:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:39:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:39:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-19 06:39:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-19 06:39:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:39:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:39:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-19 06:39:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-19 06:39:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-19 06:39:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-19 06:39:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-19 06:39:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-19 06:39:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:39:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-19 06:39:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-19 06:39:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 06:39:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 06:39:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-19 06:39:57,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-19 06:39:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-19 06:39:57,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-19 06:39:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-19 06:39:57,885 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-19 06:39:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:39:57,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:39:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-19 06:39:57,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-19 06:39:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:39:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-19 06:39:57,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-19 06:39:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:39:57,887 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:39:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-19 06:39:57,888 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-19 06:39:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:39:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 06:39:57,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 06:39:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-19 06:39:57,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-19 06:39:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:39:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-19 06:39:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-19 06:39:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:39:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:39:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:39:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:39:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-19 06:39:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-19 06:39:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 06:39:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 06:39:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 06:39:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 06:39:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-19 06:39:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-19 06:39:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-19 06:39:57,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-19 06:39:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-19 06:39:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-19 06:39:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-19 06:39:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-19 06:39:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-19 06:39:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-19 06:39:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-19 06:39:57,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-19 06:39:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-19 06:39:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-19 06:39:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-19 06:39:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-19 06:39:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-19 06:39:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-19 06:39:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-19 06:39:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-19 06:39:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:39:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 06:39:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 06:39:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 06:39:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 06:39:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 06:39:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 06:39:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 06:39:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 06:39:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 06:39:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 06:39:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-19 06:39:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-19 06:39:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:39:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:39:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:39:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:39:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:39:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:39:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:39:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-19 06:39:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-19 06:39:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:39:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:39:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:39:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:39:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-19 06:39:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-19 06:39:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-19 06:39:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-19 06:39:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 06:39:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 06:39:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-19 06:39:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-19 06:39:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-19 06:39:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-19 06:39:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-19 06:39:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-19 06:39:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-19 06:39:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-19 06:39:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-19 06:39:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-19 06:39:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-19 06:39:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-19 06:39:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-19 06:39:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-19 06:39:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-19 06:39:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-19 06:39:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-19 06:39:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-19 06:39:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-19 06:39:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-19 06:39:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-19 06:39:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-19 06:39:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:39:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:39:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-19 06:39:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-19 06:39:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-19 06:39:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-19 06:39:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-19 06:39:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-19 06:39:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:39:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:39:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:39:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:39:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-19 06:39:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-19 06:39:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-19 06:39:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-19 06:39:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 06:39:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 06:39:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-19 06:39:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-19 06:39:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 06:39:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 06:39:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-19 06:39:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-19 06:39:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-19 06:39:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-19 06:39:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-19 06:39:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-19 06:39:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-19 06:39:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-19 06:39:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-19 06:39:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-19 06:39:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-19 06:39:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-19 06:39:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 06:39:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 06:39:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-19 06:39:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-19 06:39:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:39:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:39:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-19 06:39:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-19 06:39:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-19 06:39:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-19 06:39:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 06:39:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 06:39:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-19 06:39:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-19 06:39:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-19 06:39:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-19 06:39:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-19 06:39:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-19 06:39:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-19 06:39:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-19 06:39:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-19 06:39:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-19 06:39:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:39:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:39:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-19 06:39:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-19 06:39:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-19 06:39:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-19 06:39:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-19 06:39:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-19 06:39:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-19 06:39:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-19 06:39:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-19 06:39:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-19 06:39:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:39:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 06:39:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 06:39:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-19 06:39:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-19 06:39:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 06:39:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 06:39:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-19 06:39:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-19 06:39:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 06:39:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 06:39:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 06:39:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 06:39:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-19 06:39:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-19 06:39:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-19 06:39:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-19 06:39:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-19 06:39:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-19 06:39:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-19 06:39:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-19 06:39:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-19 06:39:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-19 06:39:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-19 06:39:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-19 06:39:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-19 06:39:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-19 06:39:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-19 06:39:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-19 06:39:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-19 06:39:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-19 06:39:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-19 06:39:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-19 06:39:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 06:39:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 06:39:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 06:39:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 06:39:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-19 06:39:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-19 06:39:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-19 06:39:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-19 06:39:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-19 06:39:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-19 06:39:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-19 06:39:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-19 06:39:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:39:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-19 06:39:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-19 06:39:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:39:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:39:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-19 06:39:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-19 06:39:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-19 06:39:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-19 06:39:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-19 06:39:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-19 06:39:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-19 06:39:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-19 06:39:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 06:39:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 06:39:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-19 06:39:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-19 06:39:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-19 06:39:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-19 06:39:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-19 06:39:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-19 06:39:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-19 06:39:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-19 06:39:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-19 06:39:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-19 06:39:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-19 06:39:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-19 06:39:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 06:39:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 06:39:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-19 06:39:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-19 06:39:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 06:39:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 06:39:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-19 06:39:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-19 06:39:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-19 06:39:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-19 06:39:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-19 06:39:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-19 06:39:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 06:39:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 06:39:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:39:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:39:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-19 06:39:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-19 06:39:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:39:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-19 06:39:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-19 06:39:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-19 06:39:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-19 06:39:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 06:39:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 06:39:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-19 06:39:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-19 06:39:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-19 06:39:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-19 06:40:00,422 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:40:00,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:40:04,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:41:45,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 06:41:45,630 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:41:59,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:41:59,108 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-19 06:41:59,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:59 BoogieIcfgContainer [2022-11-19 06:41:59,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:41:59,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:41:59,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:41:59,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:41:59,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:39:44" (1/3) ... [2022-11-19 06:41:59,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642a7a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:59, skipping insertion in model container [2022-11-19 06:41:59,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:54" (2/3) ... [2022-11-19 06:41:59,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642a7a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:59, skipping insertion in model container [2022-11-19 06:41:59,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:59" (3/3) ... [2022-11-19 06:41:59,129 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-19 06:41:59,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:41:59,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:41:59,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:41:59,317 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;@7e8dbcd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:41:59,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:41:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 6049 states, 3690 states have (on average 1.3715447154471545) internal successors, (5061), 3853 states have internal predecessors, (5061), 2204 states have call successors, (2204), 163 states have call predecessors, (2204), 162 states have return successors, (2194), 2125 states have call predecessors, (2194), 2194 states have call successors, (2194) [2022-11-19 06:41:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-19 06:41:59,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:59,380 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] [2022-11-19 06:41:59,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:59,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:59,385 INFO L85 PathProgramCache]: Analyzing trace with hash -157711114, now seen corresponding path program 1 times [2022-11-19 06:41:59,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:59,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355841701] [2022-11-19 06:41:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:59,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-19 06:42:02,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:02,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355841701] [2022-11-19 06:42:02,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355841701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:42:02,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:42:02,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:42:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904531586] [2022-11-19 06:42:02,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:42:02,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:42:02,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:42:02,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:42:02,469 INFO L87 Difference]: Start difference. First operand has 6049 states, 3690 states have (on average 1.3715447154471545) internal successors, (5061), 3853 states have internal predecessors, (5061), 2204 states have call successors, (2204), 163 states have call predecessors, (2204), 162 states have return successors, (2194), 2125 states have call predecessors, (2194), 2194 states have call successors, (2194) 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) [2022-11-19 06:42:05,530 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 [] [2022-11-19 06:42:08,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:10,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:13,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:17,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:21,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:22,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:24,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:26,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:29,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:31,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:33,355 INFO L93 Difference]: Finished difference Result 11429 states and 17646 transitions. [2022-11-19 06:42:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:42:33,357 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 [2022-11-19 06:42:33,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:33,445 INFO L225 Difference]: With dead ends: 11429 [2022-11-19 06:42:33,446 INFO L226 Difference]: Without dead ends: 6674 [2022-11-19 06:42:33,482 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 [2022-11-19 06:42:33,487 INFO L413 NwaCegarLoop]: 6603 mSDtfsCounter, 5588 mSDsluCounter, 5358 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 21 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5592 SdHoareTripleChecker+Valid, 11961 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:33,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5592 Valid, 11961 Invalid, 1217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1188 Invalid, 8 Unknown, 0 Unchecked, 30.2s Time] [2022-11-19 06:42:33,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-19 06:42:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6669. [2022-11-19 06:42:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6669 states, 4256 states have (on average 1.3564379699248121) internal successors, (5773), 4388 states have internal predecessors, (5773), 2179 states have call successors, (2179), 234 states have call predecessors, (2179), 233 states have return successors, (2177), 2110 states have call predecessors, (2177), 2175 states have call successors, (2177) [2022-11-19 06:42:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6669 states to 6669 states and 10129 transitions. [2022-11-19 06:42:34,639 INFO L78 Accepts]: Start accepts. Automaton has 6669 states and 10129 transitions. Word has length 295 [2022-11-19 06:42:34,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:34,643 INFO L495 AbstractCegarLoop]: Abstraction has 6669 states and 10129 transitions. [2022-11-19 06:42:34,644 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) [2022-11-19 06:42:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 6669 states and 10129 transitions. [2022-11-19 06:42:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-19 06:42:34,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:42:34,671 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 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] [2022-11-19 06:42:34,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:42:34,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:42:34,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:42:34,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1208958868, now seen corresponding path program 1 times [2022-11-19 06:42:34,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:42:34,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697055571] [2022-11-19 06:42:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3070 trivial. 0 not checked. [2022-11-19 06:42:39,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:39,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697055571] [2022-11-19 06:42:39,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697055571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:42:39,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:42:39,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:42:39,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641326191] [2022-11-19 06:42:39,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:42:39,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:42:39,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:39,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:42:39,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:42:39,318 INFO L87 Difference]: Start difference. First operand 6669 states and 10129 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) [2022-11-19 06:42:43,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:48,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:52,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:56,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:42:59,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:01,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:02,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:04,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:05,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:08,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:10,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:11,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:14,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:17,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:43:19,201 INFO L93 Difference]: Finished difference Result 9946 states and 15093 transitions. [2022-11-19 06:43:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:43:19,202 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 338 [2022-11-19 06:43:19,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:43:19,271 INFO L225 Difference]: With dead ends: 9946 [2022-11-19 06:43:19,271 INFO L226 Difference]: Without dead ends: 9944 [2022-11-19 06:43:19,278 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 [2022-11-19 06:43:19,280 INFO L413 NwaCegarLoop]: 5884 mSDtfsCounter, 4936 mSDsluCounter, 16393 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4944 SdHoareTripleChecker+Valid, 22277 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:43:19,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4944 Valid, 22277 Invalid, 2178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2169 Invalid, 8 Unknown, 0 Unchecked, 39.2s Time] [2022-11-19 06:43:19,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9944 states. [2022-11-19 06:43:20,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9944 to 9934. [2022-11-19 06:43:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9934 states, 6335 states have (on average 1.3570639305445935) internal successors, (8597), 6536 states have internal predecessors, (8597), 3243 states have call successors, (3243), 357 states have call predecessors, (3243), 355 states have return successors, (3241), 3135 states have call predecessors, (3241), 3235 states have call successors, (3241) [2022-11-19 06:43:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9934 states to 9934 states and 15081 transitions. [2022-11-19 06:43:20,234 INFO L78 Accepts]: Start accepts. Automaton has 9934 states and 15081 transitions. Word has length 338 [2022-11-19 06:43:20,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:43:20,237 INFO L495 AbstractCegarLoop]: Abstraction has 9934 states and 15081 transitions. [2022-11-19 06:43:20,238 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) [2022-11-19 06:43:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 9934 states and 15081 transitions. [2022-11-19 06:43:20,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-11-19 06:43:20,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:43:20,255 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:43:20,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:43:20,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:43:20,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:43:20,258 INFO L85 PathProgramCache]: Analyzing trace with hash -190488144, now seen corresponding path program 1 times [2022-11-19 06:43:20,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:43:20,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436712505] [2022-11-19 06:43:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:20,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:43:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3065 trivial. 0 not checked. [2022-11-19 06:43:24,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:43:24,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436712505] [2022-11-19 06:43:24,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436712505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:43:24,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:43:24,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:43:24,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225257168] [2022-11-19 06:43:24,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:43:24,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:43:24,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:43:24,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:43:24,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:43:24,256 INFO L87 Difference]: Start difference. First operand 9934 states and 15081 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-19 06:43:27,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:32,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:35,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:37,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:41,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:43,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:46,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:48,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:50,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:52,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:55,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:43:57,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:00,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:03,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:05,049 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 [] [2022-11-19 06:44:06,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:06,385 INFO L93 Difference]: Finished difference Result 9975 states and 15125 transitions. [2022-11-19 06:44:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:44:06,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 342 [2022-11-19 06:44:06,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:06,551 INFO L225 Difference]: With dead ends: 9975 [2022-11-19 06:44:06,551 INFO L226 Difference]: Without dead ends: 9971 [2022-11-19 06:44:06,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:44:06,561 INFO L413 NwaCegarLoop]: 5911 mSDtfsCounter, 4962 mSDsluCounter, 16441 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4967 SdHoareTripleChecker+Valid, 22352 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:06,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4967 Valid, 22352 Invalid, 2178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2168 Invalid, 9 Unknown, 0 Unchecked, 41.6s Time] [2022-11-19 06:44:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9971 states. [2022-11-19 06:44:07,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9971 to 9962. [2022-11-19 06:44:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9962 states, 6352 states have (on average 1.3564231738035264) internal successors, (8616), 6552 states have internal predecessors, (8616), 3250 states have call successors, (3250), 362 states have call predecessors, (3250), 359 states have return successors, (3246), 3143 states have call predecessors, (3246), 3242 states have call successors, (3246) [2022-11-19 06:44:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9962 states to 9962 states and 15112 transitions. [2022-11-19 06:44:07,586 INFO L78 Accepts]: Start accepts. Automaton has 9962 states and 15112 transitions. Word has length 342 [2022-11-19 06:44:07,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:07,589 INFO L495 AbstractCegarLoop]: Abstraction has 9962 states and 15112 transitions. [2022-11-19 06:44:07,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-19 06:44:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 9962 states and 15112 transitions. [2022-11-19 06:44:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-11-19 06:44:07,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:07,607 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:07,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:44:07,608 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:07,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:07,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2047895612, now seen corresponding path program 1 times [2022-11-19 06:44:07,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:07,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049053099] [2022-11-19 06:44:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2022-11-19 06:44:11,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:11,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049053099] [2022-11-19 06:44:11,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049053099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:11,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:11,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:44:11,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228763499] [2022-11-19 06:44:11,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:11,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:44:11,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:11,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:44:11,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:44:11,294 INFO L87 Difference]: Start difference. First operand 9962 states and 15112 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-19 06:44:14,282 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 [] [2022-11-19 06:44:18,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:22,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:26,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:28,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:31,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:33,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:35,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:37,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:39,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:41,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:43,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:45,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:48,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:50,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:52,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:52,816 INFO L93 Difference]: Finished difference Result 9969 states and 15118 transitions. [2022-11-19 06:44:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:44:52,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 347 [2022-11-19 06:44:52,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:52,862 INFO L225 Difference]: With dead ends: 9969 [2022-11-19 06:44:52,862 INFO L226 Difference]: Without dead ends: 9942 [2022-11-19 06:44:52,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:44:52,867 INFO L413 NwaCegarLoop]: 5909 mSDtfsCounter, 4958 mSDsluCounter, 16440 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4962 SdHoareTripleChecker+Valid, 22349 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:52,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4962 Valid, 22349 Invalid, 2173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2163 Invalid, 9 Unknown, 0 Unchecked, 41.0s Time] [2022-11-19 06:44:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9942 states. [2022-11-19 06:44:53,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9942 to 9937. [2022-11-19 06:44:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9937 states, 6342 states have (on average 1.3565121412803531) internal successors, (8603), 6540 states have internal predecessors, (8603), 3238 states have call successors, (3238), 357 states have call predecessors, (3238), 356 states have return successors, (3238), 3135 states have call predecessors, (3238), 3234 states have call successors, (3238) [2022-11-19 06:44:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 15079 transitions. [2022-11-19 06:44:53,840 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 15079 transitions. Word has length 347 [2022-11-19 06:44:53,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:53,841 INFO L495 AbstractCegarLoop]: Abstraction has 9937 states and 15079 transitions. [2022-11-19 06:44:53,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-19 06:44:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 15079 transitions. [2022-11-19 06:44:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-11-19 06:44:53,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:53,867 INFO L195 NwaCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:53,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:44:53,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:53,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1837414970, now seen corresponding path program 1 times [2022-11-19 06:44:53,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:53,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183212473] [2022-11-19 06:44:53,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:53,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2939 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2022-11-19 06:44:59,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:59,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183212473] [2022-11-19 06:44:59,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183212473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:59,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:59,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:44:59,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026629201] [2022-11-19 06:44:59,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:59,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:59,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:59,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:59,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:59,325 INFO L87 Difference]: Start difference. First operand 9937 states and 15079 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-19 06:45:02,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:06,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:09,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:11,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:14,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:15,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:17,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:19,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:21,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:23,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:25,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:28,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:28,905 INFO L93 Difference]: Finished difference Result 23023 states and 34869 transitions. [2022-11-19 06:45:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:28,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 362 [2022-11-19 06:45:28,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:28,977 INFO L225 Difference]: With dead ends: 23023 [2022-11-19 06:45:28,977 INFO L226 Difference]: Without dead ends: 13141 [2022-11-19 06:45:29,019 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 [2022-11-19 06:45:29,019 INFO L413 NwaCegarLoop]: 5480 mSDtfsCounter, 3212 mSDsluCounter, 4611 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 10091 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:29,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 10091 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1170 Invalid, 8 Unknown, 0 Unchecked, 29.0s Time] [2022-11-19 06:45:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13141 states. [2022-11-19 06:45:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13141 to 13119. [2022-11-19 06:45:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13119 states, 8320 states have (on average 1.3489182692307693) internal successors, (11223), 8600 states have internal predecessors, (11223), 4292 states have call successors, (4292), 507 states have call predecessors, (4292), 506 states have return successors, (4295), 4145 states have call predecessors, (4295), 4288 states have call successors, (4295) [2022-11-19 06:45:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13119 states to 13119 states and 19810 transitions. [2022-11-19 06:45:30,432 INFO L78 Accepts]: Start accepts. Automaton has 13119 states and 19810 transitions. Word has length 362 [2022-11-19 06:45:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:30,433 INFO L495 AbstractCegarLoop]: Abstraction has 13119 states and 19810 transitions. [2022-11-19 06:45:30,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-19 06:45:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13119 states and 19810 transitions. [2022-11-19 06:45:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-11-19 06:45:30,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:30,479 INFO L195 NwaCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:30,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:45:30,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:30,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:30,480 INFO L85 PathProgramCache]: Analyzing trace with hash -158163736, now seen corresponding path program 1 times [2022-11-19 06:45:30,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:30,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666116110] [2022-11-19 06:45:30,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:30,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3274 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3254 trivial. 0 not checked. [2022-11-19 06:45:34,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:34,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666116110] [2022-11-19 06:45:34,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666116110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:34,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:34,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:34,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126404140] [2022-11-19 06:45:34,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:34,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:34,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:34,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:34,057 INFO L87 Difference]: Start difference. First operand 13119 states and 19810 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 06:45:36,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:42,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:44,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:47,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:49,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:51,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:54,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:55,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:57,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:00,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:02,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:02,968 INFO L93 Difference]: Finished difference Result 28405 states and 42891 transitions. [2022-11-19 06:46:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:02,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 422 [2022-11-19 06:46:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:03,075 INFO L225 Difference]: With dead ends: 28405 [2022-11-19 06:46:03,076 INFO L226 Difference]: Without dead ends: 17458 [2022-11-19 06:46:03,130 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 [2022-11-19 06:46:03,133 INFO L413 NwaCegarLoop]: 7642 mSDtfsCounter, 3241 mSDsluCounter, 4609 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 12251 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:03,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 12251 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1474 Invalid, 7 Unknown, 0 Unchecked, 28.1s Time] [2022-11-19 06:46:03,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17458 states. [2022-11-19 06:46:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17458 to 17440. [2022-11-19 06:46:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17440 states, 11039 states have (on average 1.3471328924721442) internal successors, (14871), 11420 states have internal predecessors, (14871), 5712 states have call successors, (5712), 689 states have call predecessors, (5712), 688 states have return successors, (5717), 5512 states have call predecessors, (5717), 5708 states have call successors, (5717) [2022-11-19 06:46:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17440 states to 17440 states and 26300 transitions. [2022-11-19 06:46:04,847 INFO L78 Accepts]: Start accepts. Automaton has 17440 states and 26300 transitions. Word has length 422 [2022-11-19 06:46:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:04,849 INFO L495 AbstractCegarLoop]: Abstraction has 17440 states and 26300 transitions. [2022-11-19 06:46:04,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 06:46:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 17440 states and 26300 transitions. [2022-11-19 06:46:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-11-19 06:46:04,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:04,904 INFO L195 NwaCegarLoop]: trace histogram [35, 27, 27, 27, 27, 27, 27, 8, 8, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:04,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:46:04,905 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:04,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:04,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1089220113, now seen corresponding path program 1 times [2022-11-19 06:46:04,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:04,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561853218] [2022-11-19 06:46:04,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2022-11-19 06:46:11,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:11,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561853218] [2022-11-19 06:46:11,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561853218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:11,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:11,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:46:11,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345121099] [2022-11-19 06:46:11,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:11,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:46:11,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:11,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:46:11,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:46:11,012 INFO L87 Difference]: Start difference. First operand 17440 states and 26300 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-19 06:46:14,167 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 [] [2022-11-19 06:46:24,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:27,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:29,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:32,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:35,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:38,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:40,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:43,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:47,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:47,867 INFO L93 Difference]: Finished difference Result 40537 states and 61102 transitions. [2022-11-19 06:46:47,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:46:47,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 444 [2022-11-19 06:46:47,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:48,022 INFO L225 Difference]: With dead ends: 40537 [2022-11-19 06:46:48,022 INFO L226 Difference]: Without dead ends: 25269 [2022-11-19 06:46:48,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:46:48,088 INFO L413 NwaCegarLoop]: 9648 mSDtfsCounter, 5881 mSDsluCounter, 10674 mSDsCounter, 0 mSdLazyCounter, 3980 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5887 SdHoareTripleChecker+Valid, 20322 SdHoareTripleChecker+Invalid, 3994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3980 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:48,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5887 Valid, 20322 Invalid, 3994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 3980 Invalid, 8 Unknown, 0 Unchecked, 35.7s Time] [2022-11-19 06:46:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25269 states. [2022-11-19 06:46:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25269 to 25245. [2022-11-19 06:46:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25245 states, 15897 states have (on average 1.344152984839907) internal successors, (21368), 16473 states have internal predecessors, (21368), 8326 states have call successors, (8326), 1022 states have call predecessors, (8326), 1021 states have return successors, (8339), 8023 states have call predecessors, (8339), 8322 states have call successors, (8339) [2022-11-19 06:46:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25245 states to 25245 states and 38033 transitions. [2022-11-19 06:46:50,469 INFO L78 Accepts]: Start accepts. Automaton has 25245 states and 38033 transitions. Word has length 444 [2022-11-19 06:46:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:50,470 INFO L495 AbstractCegarLoop]: Abstraction has 25245 states and 38033 transitions. [2022-11-19 06:46:50,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-19 06:46:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 25245 states and 38033 transitions. [2022-11-19 06:46:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-11-19 06:46:50,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:50,542 INFO L195 NwaCegarLoop]: trace histogram [37, 27, 27, 27, 27, 27, 27, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:50,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:46:50,542 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:50,543 INFO L85 PathProgramCache]: Analyzing trace with hash -663531620, now seen corresponding path program 1 times [2022-11-19 06:46:50,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:50,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511229367] [2022-11-19 06:46:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:50,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3629 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3602 trivial. 0 not checked. [2022-11-19 06:46:56,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:56,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511229367] [2022-11-19 06:46:56,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511229367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:56,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:56,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:56,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150374232] [2022-11-19 06:46:56,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:56,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:56,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:56,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:56,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:56,751 INFO L87 Difference]: Start difference. First operand 25245 states and 38033 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-19 06:46:59,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:05,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:08,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:11,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:13,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:15,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:18,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:21,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:22,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:47:22,886 INFO L93 Difference]: Finished difference Result 70874 states and 106849 transitions. [2022-11-19 06:47:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:47:22,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 480 [2022-11-19 06:47:22,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:47:23,285 INFO L225 Difference]: With dead ends: 70874 [2022-11-19 06:47:23,286 INFO L226 Difference]: Without dead ends: 47801 [2022-11-19 06:47:23,379 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 [2022-11-19 06:47:23,380 INFO L413 NwaCegarLoop]: 7887 mSDtfsCounter, 4887 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 12584 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:47:23,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 12584 Invalid, 1361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1349 Invalid, 8 Unknown, 0 Unchecked, 24.5s Time] [2022-11-19 06:47:23,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47801 states. [2022-11-19 06:47:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47801 to 47772. [2022-11-19 06:47:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47772 states, 30118 states have (on average 1.34481041237798) internal successors, (40503), 31202 states have internal predecessors, (40503), 15739 states have call successors, (15739), 1915 states have call predecessors, (15739), 1914 states have return successors, (15776), 15174 states have call predecessors, (15776), 15735 states have call successors, (15776) [2022-11-19 06:47:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47772 states to 47772 states and 72018 transitions. [2022-11-19 06:47:26,572 INFO L78 Accepts]: Start accepts. Automaton has 47772 states and 72018 transitions. Word has length 480 [2022-11-19 06:47:26,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:47:26,573 INFO L495 AbstractCegarLoop]: Abstraction has 47772 states and 72018 transitions. [2022-11-19 06:47:26,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-19 06:47:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 47772 states and 72018 transitions. [2022-11-19 06:47:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-11-19 06:47:26,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:47:26,684 INFO L195 NwaCegarLoop]: trace histogram [38, 27, 27, 27, 27, 27, 27, 10, 10, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:47:26,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:47:26,685 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:47:26,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:47:26,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1349302071, now seen corresponding path program 1 times [2022-11-19 06:47:26,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:47:26,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602182189] [2022-11-19 06:47:26,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:26,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3718 trivial. 0 not checked. [2022-11-19 06:47:32,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:32,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602182189] [2022-11-19 06:47:32,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602182189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:32,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:47:32,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:47:32,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483842808] [2022-11-19 06:47:32,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:32,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:47:32,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:47:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:47:32,657 INFO L87 Difference]: Start difference. First operand 47772 states and 72018 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-19 06:47:35,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:41,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:44,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:48,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:50,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:52,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:54,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:56,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:58,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:01,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:02,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:02,898 INFO L93 Difference]: Finished difference Result 104617 states and 157745 transitions. [2022-11-19 06:48:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:48:02,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 495 [2022-11-19 06:48:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:03,301 INFO L225 Difference]: With dead ends: 104617 [2022-11-19 06:48:03,301 INFO L226 Difference]: Without dead ends: 59017 [2022-11-19 06:48:03,505 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 [2022-11-19 06:48:03,506 INFO L413 NwaCegarLoop]: 8818 mSDtfsCounter, 4886 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 13515 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:03,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4892 Valid, 13515 Invalid, 1494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1482 Invalid, 9 Unknown, 0 Unchecked, 27.7s Time] [2022-11-19 06:48:03,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59017 states. [2022-11-19 06:48:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59017 to 58970. [2022-11-19 06:48:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58970 states, 37200 states have (on average 1.3451075268817205) internal successors, (50038), 38536 states have internal predecessors, (50038), 19408 states have call successors, (19408), 2359 states have call predecessors, (19408), 2361 states have return successors, (19461), 18717 states have call predecessors, (19461), 19404 states have call successors, (19461) [2022-11-19 06:48:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58970 states to 58970 states and 88907 transitions. [2022-11-19 06:48:07,343 INFO L78 Accepts]: Start accepts. Automaton has 58970 states and 88907 transitions. Word has length 495 [2022-11-19 06:48:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:07,344 INFO L495 AbstractCegarLoop]: Abstraction has 58970 states and 88907 transitions. [2022-11-19 06:48:07,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-19 06:48:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 58970 states and 88907 transitions. [2022-11-19 06:48:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-19 06:48:07,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:07,476 INFO L195 NwaCegarLoop]: trace histogram [39, 27, 27, 27, 27, 27, 27, 11, 11, 8, 8, 8, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:07,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:48:07,476 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:48:07,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:07,477 INFO L85 PathProgramCache]: Analyzing trace with hash 738451037, now seen corresponding path program 1 times [2022-11-19 06:48:07,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:07,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315985515] [2022-11-19 06:48:07,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3899 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2022-11-19 06:48:13,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:13,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315985515] [2022-11-19 06:48:13,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315985515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:48:13,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:48:13,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:48:13,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848957989] [2022-11-19 06:48:13,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:48:13,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:48:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:48:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:48:13,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:48:13,825 INFO L87 Difference]: Start difference. First operand 58970 states and 88907 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-19 06:48:16,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:24,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:28,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:32,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:34,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:37,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:39,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:41,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:44,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:49,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:49,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:49,643 INFO L93 Difference]: Finished difference Result 126311 states and 190418 transitions. [2022-11-19 06:48:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:48:49,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 509 [2022-11-19 06:48:49,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:49,959 INFO L225 Difference]: With dead ends: 126311 [2022-11-19 06:48:49,959 INFO L226 Difference]: Without dead ends: 69531 [2022-11-19 06:48:50,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:48:50,266 INFO L413 NwaCegarLoop]: 7618 mSDtfsCounter, 3242 mSDsluCounter, 6086 mSDsCounter, 0 mSdLazyCounter, 3202 mSolverCounterSat, 10 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 13704 SdHoareTripleChecker+Invalid, 3220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3202 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:50,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 13704 Invalid, 3220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3202 Invalid, 8 Unknown, 0 Unchecked, 32.8s Time] [2022-11-19 06:48:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69531 states.