./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-media-platform-vsp1-vsp1.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_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/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_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/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_0fac2c99-aeaa-4dee-a1de-a246934935d0/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 e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 --- 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 07:21:09,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:21:09,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:21:09,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:21:09,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:21:09,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:21:09,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:21:09,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:21:09,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:21:09,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:21:09,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:21:09,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:21:09,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:21:09,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:21:09,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:21:09,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:21:09,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:21:09,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:21:09,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:21:09,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:21:09,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:21:09,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:21:09,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:21:09,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:21:09,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:21:09,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:21:09,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:21:09,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:21:09,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:21:09,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:21:09,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:21:09,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:21:09,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:21:09,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:21:09,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:21:09,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:21:09,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:21:09,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:21:09,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:21:09,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:21:09,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:21:09,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:21:09,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:21:09,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:21:09,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:21:09,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:21:09,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:21:09,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:21:09,934 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:21:09,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:21:09,935 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:21:09,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:21:09,936 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:21:09,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:21:09,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:21:09,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:21:09,937 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:21:09,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:21:09,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:21:09,938 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:21:09,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:21:09,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:21:09,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:21:09,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:21:09,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:21:09,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:21:09,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:21:09,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:21:09,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:21:09,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:21:09,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:21:09,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:21:09,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:21:09,943 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:21:09,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:21:09,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:21:09,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:21:09,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:21:09,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:21:09,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:21:09,945 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 [2022-11-19 07:21:10,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:21:10,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:21:10,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:21:10,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:21:10,246 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:21:10,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-19 07:21:10,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/data/bf238ee11/1f7b5c04270149aea1234d9982998fd2/FLAG76aa45bc5 [2022-11-19 07:21:11,481 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:21:11,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-19 07:21:11,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/data/bf238ee11/1f7b5c04270149aea1234d9982998fd2/FLAG76aa45bc5 [2022-11-19 07:21:11,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/data/bf238ee11/1f7b5c04270149aea1234d9982998fd2 [2022-11-19 07:21:11,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:21:11,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:21:11,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:21:11,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:21:11,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:21:11,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:21:11" (1/1) ... [2022-11-19 07:21:11,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658e38bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:11, skipping insertion in model container [2022-11-19 07:21:11,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:21:11" (1/1) ... [2022-11-19 07:21:11,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:21:11,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:21:17,245 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2022-11-19 07:21:17,249 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2022-11-19 07:21:17,249 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2022-11-19 07:21:17,250 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2022-11-19 07:21:17,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:21:17,352 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:21:18,081 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2022-11-19 07:21:18,081 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2022-11-19 07:21:18,082 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2022-11-19 07:21:18,082 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_0fac2c99-aeaa-4dee-a1de-a246934935d0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2022-11-19 07:21:18,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:21:18,492 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:21:18,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18 WrapperNode [2022-11-19 07:21:18,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:21:18,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:21:18,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:21:18,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:21:18,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:18,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:18,976 INFO L138 Inliner]: procedures = 693, calls = 4703, calls flagged for inlining = 355, calls inlined = 340, statements flattened = 9898 [2022-11-19 07:21:18,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:21:18,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:21:18,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:21:18,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:21:18,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:18,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,592 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:21:19,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:21:19,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:21:19,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:21:19,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (1/1) ... [2022-11-19 07:21:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:21:19,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:21:19,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:21:19,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac2c99-aeaa-4dee-a1de-a246934935d0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:21:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2022-11-19 07:21:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2022-11-19 07:21:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2022-11-19 07:21:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2022-11-19 07:21:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2022-11-19 07:21:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2022-11-19 07:21:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:21:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:21:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2022-11-19 07:21:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2022-11-19 07:21:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2022-11-19 07:21:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2022-11-19 07:21:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2022-11-19 07:21:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2022-11-19 07:21:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2022-11-19 07:21:19,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2022-11-19 07:21:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_device [2022-11-19 07:21:19,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_device [2022-11-19 07:21:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:21:19,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:21:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2022-11-19 07:21:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2022-11-19 07:21:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2022-11-19 07:21:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2022-11-19 07:21:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2022-11-19 07:21:19,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2022-11-19 07:21:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2022-11-19 07:21:19,814 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2022-11-19 07:21:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:21:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:21:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2022-11-19 07:21:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2022-11-19 07:21:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2022-11-19 07:21:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2022-11-19 07:21:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2022-11-19 07:21:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2022-11-19 07:21:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2022-11-19 07:21:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2022-11-19 07:21:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:21:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:21:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2022-11-19 07:21:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2022-11-19 07:21:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2022-11-19 07:21:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2022-11-19 07:21:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2022-11-19 07:21:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2022-11-19 07:21:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2022-11-19 07:21:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2022-11-19 07:21:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_device [2022-11-19 07:21:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_device [2022-11-19 07:21:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2022-11-19 07:21:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2022-11-19 07:21:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2022-11-19 07:21:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2022-11-19 07:21:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2022-11-19 07:21:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2022-11-19 07:21:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2022-11-19 07:21:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2022-11-19 07:21:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:21:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:21:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:21:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:21:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2022-11-19 07:21:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2022-11-19 07:21:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2022-11-19 07:21:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2022-11-19 07:21:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:21:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:21:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2022-11-19 07:21:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2022-11-19 07:21:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-19 07:21:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-19 07:21:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:21:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:21:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2022-11-19 07:21:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2022-11-19 07:21:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-19 07:21:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-19 07:21:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2022-11-19 07:21:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2022-11-19 07:21:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:21:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2022-11-19 07:21:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2022-11-19 07:21:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_31 [2022-11-19 07:21:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_31 [2022-11-19 07:21:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:21:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:21:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-19 07:21:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-19 07:21:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2022-11-19 07:21:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2022-11-19 07:21:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:21:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:21:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2022-11-19 07:21:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2022-11-19 07:21:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-19 07:21:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-19 07:21:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2022-11-19 07:21:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2022-11-19 07:21:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:21:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:21:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2022-11-19 07:21:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2022-11-19 07:21:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2022-11-19 07:21:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2022-11-19 07:21:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:21:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2022-11-19 07:21:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2022-11-19 07:21:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:21:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:21:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 07:21:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 07:21:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:21:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:21:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2022-11-19 07:21:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2022-11-19 07:21:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2022-11-19 07:21:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2022-11-19 07:21:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2022-11-19 07:21:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2022-11-19 07:21:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2022-11-19 07:21:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2022-11-19 07:21:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2022-11-19 07:21:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2022-11-19 07:21:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:21:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 07:21:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 07:21:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 07:21:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 07:21:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 07:21:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 07:21:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 07:21:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 07:21:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-19 07:21:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-19 07:21:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2022-11-19 07:21:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2022-11-19 07:21:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2022-11-19 07:21:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2022-11-19 07:21:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-19 07:21:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-19 07:21:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:21:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2022-11-19 07:21:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2022-11-19 07:21:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:21:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:21:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:21:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2022-11-19 07:21:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2022-11-19 07:21:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2022-11-19 07:21:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2022-11-19 07:21:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:21:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:21:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2022-11-19 07:21:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2022-11-19 07:21:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:21:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:21:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2022-11-19 07:21:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2022-11-19 07:21:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2022-11-19 07:21:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2022-11-19 07:21:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2022-11-19 07:21:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2022-11-19 07:21:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2022-11-19 07:21:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2022-11-19 07:21:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2022-11-19 07:21:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2022-11-19 07:21:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2022-11-19 07:21:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2022-11-19 07:21:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2022-11-19 07:21:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2022-11-19 07:21:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-19 07:21:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-19 07:21:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2022-11-19 07:21:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2022-11-19 07:21:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:21:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:21:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 07:21:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 07:21:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2022-11-19 07:21:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2022-11-19 07:21:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:21:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:21:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2022-11-19 07:21:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2022-11-19 07:21:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:21:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:21:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2022-11-19 07:21:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2022-11-19 07:21:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2022-11-19 07:21:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2022-11-19 07:21:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2022-11-19 07:21:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2022-11-19 07:21:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2022-11-19 07:21:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2022-11-19 07:21:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2022-11-19 07:21:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2022-11-19 07:21:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2022-11-19 07:21:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2022-11-19 07:21:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2022-11-19 07:21:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2022-11-19 07:21:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2022-11-19 07:21:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2022-11-19 07:21:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:21:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:21:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2022-11-19 07:21:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2022-11-19 07:21:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2022-11-19 07:21:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2022-11-19 07:21:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2022-11-19 07:21:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2022-11-19 07:21:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2022-11-19 07:21:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2022-11-19 07:21:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:21:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:21:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2022-11-19 07:21:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2022-11-19 07:21:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2022-11-19 07:21:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2022-11-19 07:21:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:21:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:21:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2022-11-19 07:21:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2022-11-19 07:21:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2022-11-19 07:21:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2022-11-19 07:21:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2022-11-19 07:21:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2022-11-19 07:21:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2022-11-19 07:21:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2022-11-19 07:21:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 07:21:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 07:21:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2022-11-19 07:21:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2022-11-19 07:21:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-19 07:21:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-19 07:21:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2022-11-19 07:21:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2022-11-19 07:21:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-11-19 07:21:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-11-19 07:21:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 07:21:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 07:21:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2022-11-19 07:21:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2022-11-19 07:21:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2022-11-19 07:21:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2022-11-19 07:21:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_graph_mutex_of_media_device [2022-11-19 07:21:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_graph_mutex_of_media_device [2022-11-19 07:21:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:21:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:21:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:21:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2022-11-19 07:21:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2022-11-19 07:21:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:21:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2022-11-19 07:21:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2022-11-19 07:21:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2022-11-19 07:21:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2022-11-19 07:21:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2022-11-19 07:21:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2022-11-19 07:21:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:21:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2022-11-19 07:21:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2022-11-19 07:21:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2022-11-19 07:21:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2022-11-19 07:21:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 07:21:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 07:21:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2022-11-19 07:21:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2022-11-19 07:21:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-19 07:21:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-19 07:21:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:21:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:21:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-19 07:21:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-19 07:21:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:21:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:21:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-19 07:21:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-19 07:21:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2022-11-19 07:21:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2022-11-19 07:21:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:21:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:21:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2022-11-19 07:21:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2022-11-19 07:21:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2022-11-19 07:21:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2022-11-19 07:21:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2022-11-19 07:21:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2022-11-19 07:21:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2022-11-19 07:21:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2022-11-19 07:21:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2022-11-19 07:21:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2022-11-19 07:21:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2022-11-19 07:21:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2022-11-19 07:21:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2022-11-19 07:21:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2022-11-19 07:21:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-11-19 07:21:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2022-11-19 07:21:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2022-11-19 07:21:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:21:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:21:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2022-11-19 07:21:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2022-11-19 07:21:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2022-11-19 07:21:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2022-11-19 07:21:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 07:21:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 07:21:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2022-11-19 07:21:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2022-11-19 07:21:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2022-11-19 07:21:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2022-11-19 07:21:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_video [2022-11-19 07:21:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_video [2022-11-19 07:21:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2022-11-19 07:21:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2022-11-19 07:21:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2022-11-19 07:21:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2022-11-19 07:21:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 07:21:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 07:21:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:21:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-19 07:21:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-19 07:21:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:21:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:21:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2022-11-19 07:21:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2022-11-19 07:21:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-19 07:21:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-19 07:21:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2022-11-19 07:21:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2022-11-19 07:21:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2022-11-19 07:21:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2022-11-19 07:21:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2022-11-19 07:21:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2022-11-19 07:21:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-19 07:21:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-19 07:21:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2022-11-19 07:21:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2022-11-19 07:21:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2022-11-19 07:21:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2022-11-19 07:21:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2022-11-19 07:21:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2022-11-19 07:21:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2022-11-19 07:21:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2022-11-19 07:21:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2022-11-19 07:21:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2022-11-19 07:21:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_video [2022-11-19 07:21:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_video [2022-11-19 07:21:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-19 07:21:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-19 07:21:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2022-11-19 07:21:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2022-11-19 07:21:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2022-11-19 07:21:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2022-11-19 07:21:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:21:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:21:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:21:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:21:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2022-11-19 07:21:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2022-11-19 07:21:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:21:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:21:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-19 07:21:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-19 07:21:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2022-11-19 07:21:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2022-11-19 07:21:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2022-11-19 07:21:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2022-11-19 07:21:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2022-11-19 07:21:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2022-11-19 07:21:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:21:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:21:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:21:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:21:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:21:21,538 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:21:21,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:21:22,013 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:22:44,305 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 07:22:44,500 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:22:47,581 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:22:47,581 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:22:47,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:22:47 BoogieIcfgContainer [2022-11-19 07:22:47,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:22:47,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:22:47,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:22:47,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:22:47,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:21:11" (1/3) ... [2022-11-19 07:22:47,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1993baa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:22:47, skipping insertion in model container [2022-11-19 07:22:47,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:21:18" (2/3) ... [2022-11-19 07:22:47,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1993baa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:22:47, skipping insertion in model container [2022-11-19 07:22:47,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:22:47" (3/3) ... [2022-11-19 07:22:47,602 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-19 07:22:47,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:22:47,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-19 07:22:47,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:22:47,752 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;@5cd89a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:22:47,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-19 07:22:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 2860 states, 1779 states have (on average 1.3310848791455874) internal successors, (2368), 1802 states have internal predecessors, (2368), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) [2022-11-19 07:22:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-11-19 07:22:47,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:22:47,870 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:22:47,871 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:22:47,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:22:47,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1846239309, now seen corresponding path program 1 times [2022-11-19 07:22:47,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:22:47,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589815011] [2022-11-19 07:22:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:22:47,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:22:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:22:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2022-11-19 07:22:50,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:22:50,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589815011] [2022-11-19 07:22:50,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589815011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:22:50,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:22:50,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:22:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753281792] [2022-11-19 07:22:50,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:22:50,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:22:50,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:22:50,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:22:50,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:22:50,622 INFO L87 Difference]: Start difference. First operand has 2860 states, 1779 states have (on average 1.3310848791455874) internal successors, (2368), 1802 states have internal predecessors, (2368), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) 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, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:22:55,664 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 07:23:00,933 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 07:23:10,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:10,311 INFO L93 Difference]: Finished difference Result 8018 states and 11795 transitions. [2022-11-19 07:23:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:23:10,313 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, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1125 [2022-11-19 07:23:10,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:10,378 INFO L225 Difference]: With dead ends: 8018 [2022-11-19 07:23:10,378 INFO L226 Difference]: Without dead ends: 5361 [2022-11-19 07:23:10,399 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 07:23:10,402 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 3673 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3676 SdHoareTripleChecker+Valid, 7822 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:10,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3676 Valid, 7822 Invalid, 1196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1173 Invalid, 1 Unknown, 0 Unchecked, 19.1s Time] [2022-11-19 07:23:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5361 states. [2022-11-19 07:23:10,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5361 to 5356. [2022-11-19 07:23:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5356 states, 3381 states have (on average 1.3330375628512274) internal successors, (4507), 3425 states have internal predecessors, (4507), 1616 states have call successors, (1616), 357 states have call predecessors, (1616), 356 states have return successors, (1615), 1603 states have call predecessors, (1615), 1612 states have call successors, (1615) [2022-11-19 07:23:10,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5356 states to 5356 states and 7738 transitions. [2022-11-19 07:23:10,992 INFO L78 Accepts]: Start accepts. Automaton has 5356 states and 7738 transitions. Word has length 1125 [2022-11-19 07:23:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:11,001 INFO L495 AbstractCegarLoop]: Abstraction has 5356 states and 7738 transitions. [2022-11-19 07:23:11,001 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, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:23:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5356 states and 7738 transitions. [2022-11-19 07:23:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2022-11-19 07:23:11,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:11,099 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:11,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:23:11,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:23:11,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:11,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2127443671, now seen corresponding path program 1 times [2022-11-19 07:23:11,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:11,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732624290] [2022-11-19 07:23:11,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:11,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-19 07:23:12,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:12,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732624290] [2022-11-19 07:23:12,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732624290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:12,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:12,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:23:12,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338541036] [2022-11-19 07:23:12,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:12,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:23:12,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:12,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:23:12,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:12,449 INFO L87 Difference]: Start difference. First operand 5356 states and 7738 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2022-11-19 07:23:17,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:22,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:30,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:33,666 INFO L93 Difference]: Finished difference Result 12757 states and 18375 transitions. [2022-11-19 07:23:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:23:33,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) Word has length 1135 [2022-11-19 07:23:33,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:33,720 INFO L225 Difference]: With dead ends: 12757 [2022-11-19 07:23:33,720 INFO L226 Difference]: Without dead ends: 7622 [2022-11-19 07:23:33,746 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 07:23:33,747 INFO L413 NwaCegarLoop]: 4278 mSDtfsCounter, 3475 mSDsluCounter, 3517 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 7795 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:33,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 7795 Invalid, 1156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 1 Unknown, 0 Unchecked, 20.7s Time] [2022-11-19 07:23:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7622 states. [2022-11-19 07:23:34,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7622 to 7598. [2022-11-19 07:23:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7598 states, 4786 states have (on average 1.3305474300041789) internal successors, (6368), 4853 states have internal predecessors, (6368), 2282 states have call successors, (2282), 528 states have call predecessors, (2282), 527 states have return successors, (2280), 2259 states have call predecessors, (2280), 2278 states have call successors, (2280) [2022-11-19 07:23:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7598 states to 7598 states and 10930 transitions. [2022-11-19 07:23:34,115 INFO L78 Accepts]: Start accepts. Automaton has 7598 states and 10930 transitions. Word has length 1135 [2022-11-19 07:23:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:34,117 INFO L495 AbstractCegarLoop]: Abstraction has 7598 states and 10930 transitions. [2022-11-19 07:23:34,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2022-11-19 07:23:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7598 states and 10930 transitions. [2022-11-19 07:23:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2022-11-19 07:23:34,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:34,139 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:34,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:23:34,139 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:23:34,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:34,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1307492117, now seen corresponding path program 1 times [2022-11-19 07:23:34,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:34,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431137932] [2022-11-19 07:23:34,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:34,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-19 07:23:35,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:35,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431137932] [2022-11-19 07:23:35,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431137932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:35,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:35,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:23:35,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565212331] [2022-11-19 07:23:35,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:35,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:23:35,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:35,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:23:35,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:35,621 INFO L87 Difference]: Start difference. First operand 7598 states and 10930 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:23:47,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:49,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:23:54,245 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 07:23:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:56,171 INFO L93 Difference]: Finished difference Result 22023 states and 31642 transitions. [2022-11-19 07:23:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:23:56,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1142 [2022-11-19 07:23:56,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:56,270 INFO L225 Difference]: With dead ends: 22023 [2022-11-19 07:23:56,270 INFO L226 Difference]: Without dead ends: 14646 [2022-11-19 07:23:56,311 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 07:23:56,312 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 3568 mSDsluCounter, 3497 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 7770 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:56,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3571 Valid, 7770 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1191 Invalid, 1 Unknown, 0 Unchecked, 19.9s Time] [2022-11-19 07:23:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14646 states. [2022-11-19 07:23:57,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14646 to 14618. [2022-11-19 07:23:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14618 states, 9219 states have (on average 1.3268250352532813) internal successors, (12232), 9358 states have internal predecessors, (12232), 4346 states have call successors, (4346), 1051 states have call predecessors, (4346), 1050 states have return successors, (4349), 4294 states have call predecessors, (4349), 4342 states have call successors, (4349) [2022-11-19 07:23:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14618 states to 14618 states and 20927 transitions. [2022-11-19 07:23:57,099 INFO L78 Accepts]: Start accepts. Automaton has 14618 states and 20927 transitions. Word has length 1142 [2022-11-19 07:23:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:57,101 INFO L495 AbstractCegarLoop]: Abstraction has 14618 states and 20927 transitions. [2022-11-19 07:23:57,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:23:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 14618 states and 20927 transitions. [2022-11-19 07:23:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2022-11-19 07:23:57,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:57,124 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:57,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:23:57,125 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:23:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:57,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1418114754, now seen corresponding path program 1 times [2022-11-19 07:23:57,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:57,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327310508] [2022-11-19 07:23:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:57,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-19 07:23:58,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:58,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327310508] [2022-11-19 07:23:58,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327310508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:58,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:58,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:23:58,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655423821] [2022-11-19 07:23:58,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:58,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:23:58,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:58,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:23:58,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:58,342 INFO L87 Difference]: Start difference. First operand 14618 states and 20927 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-11-19 07:24:03,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:10,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:13,755 WARN L539 Checker$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 07:24:16,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:19,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:24:19,082 INFO L93 Difference]: Finished difference Result 38264 states and 54747 transitions. [2022-11-19 07:24:19,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:24:19,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 1150 [2022-11-19 07:24:19,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:24:19,227 INFO L225 Difference]: With dead ends: 38264 [2022-11-19 07:24:19,228 INFO L226 Difference]: Without dead ends: 23867 [2022-11-19 07:24:19,305 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 07:24:19,306 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 3659 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:24:19,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3662 Valid, 7827 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1146 Invalid, 1 Unknown, 0 Unchecked, 19.8s Time] [2022-11-19 07:24:19,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23867 states. [2022-11-19 07:24:20,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23867 to 23837. [2022-11-19 07:24:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23837 states, 15054 states have (on average 1.325627740135512) internal successors, (19956), 15284 states have internal predecessors, (19956), 7045 states have call successors, (7045), 1736 states have call predecessors, (7045), 1735 states have return successors, (7056), 6951 states have call predecessors, (7056), 7041 states have call successors, (7056) [2022-11-19 07:24:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23837 states to 23837 states and 34057 transitions. [2022-11-19 07:24:21,035 INFO L78 Accepts]: Start accepts. Automaton has 23837 states and 34057 transitions. Word has length 1150 [2022-11-19 07:24:21,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:24:21,037 INFO L495 AbstractCegarLoop]: Abstraction has 23837 states and 34057 transitions. [2022-11-19 07:24:21,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-11-19 07:24:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 23837 states and 34057 transitions. [2022-11-19 07:24:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2022-11-19 07:24:21,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:24:21,081 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:21,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:24:21,082 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:24:21,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:24:21,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1950123629, now seen corresponding path program 1 times [2022-11-19 07:24:21,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:24:21,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30255642] [2022-11-19 07:24:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:24:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:24:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:24:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-19 07:24:22,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:24:22,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30255642] [2022-11-19 07:24:22,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30255642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:24:22,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:24:22,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:24:22,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99346911] [2022-11-19 07:24:22,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:24:22,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:24:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:24:22,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:24:22,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:24:22,637 INFO L87 Difference]: Start difference. First operand 23837 states and 34057 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:24:27,552 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 07:24:28,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:30,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:32,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:36,316 WARN L539 Checker$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 07:24:42,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:46,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:24:46,895 INFO L93 Difference]: Finished difference Result 65186 states and 93121 transitions. [2022-11-19 07:24:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:24:46,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1156 [2022-11-19 07:24:46,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:24:47,131 INFO L225 Difference]: With dead ends: 65186 [2022-11-19 07:24:47,132 INFO L226 Difference]: Without dead ends: 41570 [2022-11-19 07:24:47,234 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 07:24:47,237 INFO L413 NwaCegarLoop]: 4352 mSDtfsCounter, 3645 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3648 SdHoareTripleChecker+Valid, 7880 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:24:47,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3648 Valid, 7880 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1139 Invalid, 1 Unknown, 0 Unchecked, 22.9s Time] [2022-11-19 07:24:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41570 states. [2022-11-19 07:24:49,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41570 to 41532. [2022-11-19 07:24:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41532 states, 26241 states have (on average 1.326702488472238) internal successors, (34814), 26669 states have internal predecessors, (34814), 12231 states have call successors, (12231), 3058 states have call predecessors, (12231), 3057 states have return successors, (12258), 12040 states have call predecessors, (12258), 12227 states have call successors, (12258) [2022-11-19 07:24:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41532 states to 41532 states and 59303 transitions. [2022-11-19 07:24:49,784 INFO L78 Accepts]: Start accepts. Automaton has 41532 states and 59303 transitions. Word has length 1156 [2022-11-19 07:24:49,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:24:49,785 INFO L495 AbstractCegarLoop]: Abstraction has 41532 states and 59303 transitions. [2022-11-19 07:24:49,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:24:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 41532 states and 59303 transitions. [2022-11-19 07:24:49,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2022-11-19 07:24:49,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:24:49,810 INFO L195 NwaCegarLoop]: trace histogram [112, 110, 110, 110, 110, 110, 110, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:49,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:24:49,810 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:24:49,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:24:49,811 INFO L85 PathProgramCache]: Analyzing trace with hash 73518098, now seen corresponding path program 1 times [2022-11-19 07:24:49,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:24:49,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221972201] [2022-11-19 07:24:49,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:24:49,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:24:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:24:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 48408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48402 trivial. 0 not checked. [2022-11-19 07:24:51,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:24:51,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221972201] [2022-11-19 07:24:51,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221972201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:24:51,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:24:51,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:24:51,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190629441] [2022-11-19 07:24:51,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:24:51,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:24:51,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:24:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:24:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:24:51,424 INFO L87 Difference]: Start difference. First operand 41532 states and 59303 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2022-11-19 07:24:58,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:03,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:06,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:11,557 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 07:25:16,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:25:16,232 INFO L93 Difference]: Finished difference Result 115073 states and 164297 transitions. [2022-11-19 07:25:16,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:25:16,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) Word has length 1161 [2022-11-19 07:25:16,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:25:16,822 INFO L225 Difference]: With dead ends: 115073 [2022-11-19 07:25:16,822 INFO L226 Difference]: Without dead ends: 73762 [2022-11-19 07:25:16,985 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 07:25:16,987 INFO L413 NwaCegarLoop]: 5536 mSDtfsCounter, 3692 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3695 SdHoareTripleChecker+Valid, 9060 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:25:16,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3695 Valid, 9060 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1422 Invalid, 1 Unknown, 0 Unchecked, 22.3s Time] [2022-11-19 07:25:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73762 states. [2022-11-19 07:25:20,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73762 to 73710. [2022-11-19 07:25:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73710 states, 46714 states have (on average 1.3274393115554224) internal successors, (62010), 47502 states have internal predecessors, (62010), 21507 states have call successors, (21507), 5503 states have call predecessors, (21507), 5486 states have return successors, (21565), 21125 states have call predecessors, (21565), 21503 states have call successors, (21565) [2022-11-19 07:25:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73710 states to 73710 states and 105082 transitions. [2022-11-19 07:25:21,322 INFO L78 Accepts]: Start accepts. Automaton has 73710 states and 105082 transitions. Word has length 1161 [2022-11-19 07:25:21,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:25:21,323 INFO L495 AbstractCegarLoop]: Abstraction has 73710 states and 105082 transitions. [2022-11-19 07:25:21,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2022-11-19 07:25:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 73710 states and 105082 transitions. [2022-11-19 07:25:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2022-11-19 07:25:21,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:25:21,355 INFO L195 NwaCegarLoop]: trace histogram [112, 111, 111, 111, 111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:21,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:25:21,356 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:25:21,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:25:21,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1467239666, now seen corresponding path program 1 times [2022-11-19 07:25:21,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:25:21,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863899150] [2022-11-19 07:25:21,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:25:21,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:25:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:25:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49062 trivial. 0 not checked. [2022-11-19 07:25:22,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:25:22,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863899150] [2022-11-19 07:25:22,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863899150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:25:22,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:25:22,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:25:22,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815668223] [2022-11-19 07:25:22,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:25:22,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:25:22,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:25:22,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:25:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:25:22,943 INFO L87 Difference]: Start difference. First operand 73710 states and 105082 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:25:26,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:29,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:31,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:36,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:45,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:25:50,148 INFO L93 Difference]: Finished difference Result 216898 states and 309215 transitions. [2022-11-19 07:25:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:25:50,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1159 [2022-11-19 07:25:50,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:25:51,518 INFO L225 Difference]: With dead ends: 216898 [2022-11-19 07:25:51,518 INFO L226 Difference]: Without dead ends: 143409 [2022-11-19 07:25:51,822 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 07:25:51,823 INFO L413 NwaCegarLoop]: 4352 mSDtfsCounter, 3671 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3674 SdHoareTripleChecker+Valid, 7885 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:25:51,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3674 Valid, 7885 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 22.1s Time] [2022-11-19 07:25:52,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143409 states. [2022-11-19 07:25:58,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143409 to 143323. [2022-11-19 07:25:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143323 states, 91038 states have (on average 1.3270831960280323) internal successors, (120815), 92652 states have internal predecessors, (120815), 41570 states have call successors, (41570), 10745 states have call predecessors, (41570), 10712 states have return successors, (41692), 40744 states have call predecessors, (41692), 41566 states have call successors, (41692) [2022-11-19 07:25:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143323 states to 143323 states and 204077 transitions. [2022-11-19 07:25:59,719 INFO L78 Accepts]: Start accepts. Automaton has 143323 states and 204077 transitions. Word has length 1159 [2022-11-19 07:25:59,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:25:59,720 INFO L495 AbstractCegarLoop]: Abstraction has 143323 states and 204077 transitions. [2022-11-19 07:25:59,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:25:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 143323 states and 204077 transitions. [2022-11-19 07:25:59,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1183 [2022-11-19 07:25:59,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:25:59,743 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:59,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:25:59,744 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:25:59,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:25:59,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1352397280, now seen corresponding path program 1 times [2022-11-19 07:25:59,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:25:59,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658778276] [2022-11-19 07:25:59,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:25:59,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 48887 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48887 trivial. 0 not checked. [2022-11-19 07:26:04,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:04,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658778276] [2022-11-19 07:26:04,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658778276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:04,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:04,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:04,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663186357] [2022-11-19 07:26:04,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:04,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:26:04,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:04,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:26:04,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:26:04,453 INFO L87 Difference]: Start difference. First operand 143323 states and 204077 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2022-11-19 07:26:13,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:15,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:20,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:22,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:25,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:33,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []