./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh --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 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 --- 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-2329fc7 [2022-12-14 04:59:57,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:59:57,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:59:57,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:59:57,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:59:57,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:59:57,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:59:57,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:59:57,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:59:57,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:59:57,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:59:57,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:59:57,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:59:57,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:59:57,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:59:57,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:59:57,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:59:57,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:59:57,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:59:57,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:59:57,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:59:57,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:59:57,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:59:57,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:59:57,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:59:57,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:59:57,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:59:57,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:59:57,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:59:57,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:59:57,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:59:57,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:59:57,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:59:57,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:59:57,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:59:57,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:59:57,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:59:57,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:59:57,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:59:57,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:59:57,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:59:57,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:59:57,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:59:57,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:59:57,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:59:57,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:59:57,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:59:57,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:59:57,951 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:59:57,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:59:57,956 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:59:57,956 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:59:57,957 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:59:57,957 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:59:57,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:59:57,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:59:57,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:59:57,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:59:57,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:59:57,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:59:57,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:59:57,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:59:57,959 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_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 [2022-12-14 04:59:58,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:59:58,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:59:58,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:59:58,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:59:58,137 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:59:58,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 05:00:00,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:00:01,215 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:00:01,215 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 05:00:01,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/data/d2cf7311f/e53d15b2a60648f78a2d30ab9870822a/FLAGc0e34d3a1 [2022-12-14 05:00:01,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/data/d2cf7311f/e53d15b2a60648f78a2d30ab9870822a [2022-12-14 05:00:01,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:00:01,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:00:01,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:00:01,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:00:01,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:00:01,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:00:01" (1/1) ... [2022-12-14 05:00:01,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ccbde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:01, skipping insertion in model container [2022-12-14 05:00:01,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:00:01" (1/1) ... [2022-12-14 05:00:01,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:00:01,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:00:01,880 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:00:02,011 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:00:02,042 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 05:00:02,141 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 05:00:02,146 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:00:02,148 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 05:00:02,173 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 05:00:02,198 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,315 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 05:00:02,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,317 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-12-14 05:00:02,317 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-12-14 05:00:02,317 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-12-14 05:00:02,319 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,329 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 05:00:02,329 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 05:00:02,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,333 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:00:02,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,340 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:02,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,346 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,353 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 05:00:02,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,357 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 05:00:02,357 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 05:00:02,358 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:02,363 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,366 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 05:00:02,366 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 05:00:02,366 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 05:00:02,367 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:02,371 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,375 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 05:00:02,380 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,380 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 05:00:02,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,382 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 05:00:02,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,393 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,398 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,404 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:02,413 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,414 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,416 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 05:00:02,417 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,418 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 05:00:02,419 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 05:00:02,419 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:02,420 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:02,420 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:02,420 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:02,428 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:02,428 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:02,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:02,430 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:02,441 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:02,443 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:02,444 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:02,447 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:00:02,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,453 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 05:00:02,454 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:02,454 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:02,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,457 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 05:00:02,460 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:00:02,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:02,461 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 05:00:02,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:02,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:02,464 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 05:00:02,864 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 05:00:02,865 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 05:00:02,884 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:00:02,885 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:00:02,897 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:00:02,928 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:00:02,934 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:00:02,963 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:00:02,964 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:00:02,964 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:00:02,965 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 05:00:02,993 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:02,998 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:03,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,103 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 05:00:03,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,115 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 05:00:03,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,137 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,140 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,142 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:03,147 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:03,148 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:00:03,148 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 05:00:03,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,162 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:00:03,162 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:00:03,164 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,168 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,173 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:00:03,181 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-12-14 05:00:03,203 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,205 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,208 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,210 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,214 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,215 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,217 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,224 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,226 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,232 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,245 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,259 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 05:00:03,260 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 05:00:03,264 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 05:00:03,265 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 05:00:03,269 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 05:00:03,270 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 05:00:03,275 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 05:00:03,275 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 05:00:03,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,281 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 05:00:03,281 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 05:00:03,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,289 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 05:00:03,289 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 05:00:03,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,301 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:03,301 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:03,301 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:03,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,323 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:03,324 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:03,324 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:03,324 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:03,325 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 05:00:03,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,351 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:00:03,356 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 05:00:03,361 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 05:00:03,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,373 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 05:00:03,381 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 05:00:03,382 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 05:00:03,383 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:00:03,474 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,517 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:00:03,579 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,583 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 05:00:03,584 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 05:00:03,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,584 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 05:00:03,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,603 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 05:00:03,603 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:03,604 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:03,604 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 05:00:03,604 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 05:00:03,605 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,615 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,620 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,625 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:03,626 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 05:00:03,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,636 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,636 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:00:03,636 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 05:00:03,641 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,643 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 05:00:03,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,660 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:03,661 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 05:00:03,667 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:00:03,667 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:00:03,668 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:00:03,668 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:00:03,715 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 05:00:03,715 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:00:03,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:00:03,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2022-12-14 05:00:03,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2022-12-14 05:00:03,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2022-12-14 05:00:03,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2022-12-14 05:00:03,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:00:04,019 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:00:04,071 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:00:04,073 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:00:04,075 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 05:00:04,080 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 05:00:04,080 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:00:04,081 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 05:00:04,083 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 05:00:04,084 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,094 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 05:00:04,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,094 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-12-14 05:00:04,095 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-12-14 05:00:04,095 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-12-14 05:00:04,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,104 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 05:00:04,104 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 05:00:04,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,106 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:00:04,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,113 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:04,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,114 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,117 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 05:00:04,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,120 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 05:00:04,120 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 05:00:04,121 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:04,121 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,123 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 05:00:04,123 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 05:00:04,123 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 05:00:04,124 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:04,124 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,126 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 05:00:04,127 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,127 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 05:00:04,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,128 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 05:00:04,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,131 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,132 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,133 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,137 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,137 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 05:00:04,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 05:00:04,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 05:00:04,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:04,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:04,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:04,140 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:04,140 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 05:00:04,140 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:04,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:04,141 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:04,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:04,168 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:04,168 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:04,170 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:00:04,182 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,183 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 05:00:04,183 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 05:00:04,183 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:00:04,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,190 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 05:00:04,199 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:00:04,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:04,199 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 05:00:04,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:00:04,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,201 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 05:00:04,213 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 05:00:04,213 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 05:00:04,221 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:00:04,221 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:00:04,226 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:00:04,227 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:00:04,227 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:00:04,228 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:00:04,228 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:00:04,228 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:00:04,228 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 05:00:04,229 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:04,229 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:04,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,234 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,235 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,238 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,243 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,246 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 05:00:04,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,250 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 05:00:04,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,256 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,257 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,262 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:04,263 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 05:00:04,263 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:00:04,263 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 05:00:04,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,269 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:00:04,269 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:00:04,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,272 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:00:04,288 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-12-14 05:00:04,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,317 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,322 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,349 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 05:00:04,349 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 05:00:04,350 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 05:00:04,350 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 05:00:04,350 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 05:00:04,351 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 05:00:04,351 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 05:00:04,351 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 05:00:04,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,353 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 05:00:04,353 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 05:00:04,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,359 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 05:00:04,359 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 05:00:04,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,365 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:04,365 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:04,366 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:04,370 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,374 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:04,374 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:04,375 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:04,375 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:04,375 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 05:00:04,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,385 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:00:04,386 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 05:00:04,388 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 05:00:04,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,394 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,394 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,395 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 05:00:04,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 05:00:04,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 05:00:04,399 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:00:04,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,477 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,478 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,480 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:00:04,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,486 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,490 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 05:00:04,490 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 05:00:04,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,491 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 05:00:04,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,502 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 05:00:04,502 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 05:00:04,503 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 05:00:04,503 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 05:00:04,503 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 05:00:04,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,513 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 05:00:04,514 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 05:00:04,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,516 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:00:04,516 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 05:00:04,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,519 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 05:00:04,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,521 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:00:04,526 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 05:00:04,528 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:00:04,528 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:00:04,528 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:00:04,528 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:00:04,530 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 05:00:04,530 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:00:04,530 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:00:04,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2022-12-14 05:00:04,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2022-12-14 05:00:04,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2022-12-14 05:00:04,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2022-12-14 05:00:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:00:04,631 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:00:04,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04 WrapperNode [2022-12-14 05:00:04,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:00:04,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:00:04,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:00:04,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:00:04,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:04,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,007 INFO L138 Inliner]: procedures = 447, calls = 6502, calls flagged for inlining = 237, calls inlined = 218, statements flattened = 11777 [2022-12-14 05:00:05,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:00:05,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:00:05,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:00:05,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:00:05,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:00:05,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:00:05,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:00:05,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:00:05,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (1/1) ... [2022-12-14 05:00:05,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:00:05,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:00:05,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:00:05,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:00:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2022-12-14 05:00:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2022-12-14 05:00:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-12-14 05:00:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-12-14 05:00:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2022-12-14 05:00:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2022-12-14 05:00:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 05:00:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 05:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-12-14 05:00:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-12-14 05:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:00:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-12-14 05:00:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-12-14 05:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-12-14 05:00:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-12-14 05:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2022-12-14 05:00:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2022-12-14 05:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 05:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 05:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2022-12-14 05:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2022-12-14 05:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2022-12-14 05:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2022-12-14 05:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2022-12-14 05:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2022-12-14 05:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-12-14 05:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-12-14 05:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-12-14 05:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-12-14 05:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 05:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-12-14 05:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2022-12-14 05:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2022-12-14 05:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2022-12-14 05:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-12-14 05:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2022-12-14 05:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2022-12-14 05:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 05:00:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 05:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-12-14 05:00:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-12-14 05:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 05:00:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 05:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2022-12-14 05:00:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2022-12-14 05:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-12-14 05:00:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-12-14 05:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-12-14 05:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-12-14 05:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 05:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 05:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-12-14 05:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-12-14 05:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 05:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 05:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 05:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 05:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-12-14 05:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-12-14 05:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2022-12-14 05:00:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2022-12-14 05:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2022-12-14 05:00:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2022-12-14 05:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2022-12-14 05:00:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2022-12-14 05:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 05:00:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 05:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 05:00:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 05:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2022-12-14 05:00:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_video_device [2022-12-14 05:00:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_video_device [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-12-14 05:00:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 05:00:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 05:00:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2022-12-14 05:00:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-12-14 05:00:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-12-14 05:00:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2022-12-14 05:00:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 05:00:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2022-12-14 05:00:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 05:00:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2022-12-14 05:00:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2022-12-14 05:00:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2022-12-14 05:00:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2022-12-14 05:00:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2022-12-14 05:00:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2022-12-14 05:00:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-12-14 05:00:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-12-14 05:00:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 05:00:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 05:00:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2022-12-14 05:00:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2022-12-14 05:00:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2022-12-14 05:00:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-12-14 05:00:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2022-12-14 05:00:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2022-12-14 05:00:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 05:00:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 05:00:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 05:00:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 05:00:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 05:00:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 05:00:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 05:00:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 05:00:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 05:00:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-12-14 05:00:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-12-14 05:00:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2022-12-14 05:00:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2022-12-14 05:00:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:00:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2022-12-14 05:00:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 05:00:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 05:00:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2022-12-14 05:00:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2022-12-14 05:00:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2022-12-14 05:00:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-12-14 05:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-12-14 05:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 05:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 05:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2022-12-14 05:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2022-12-14 05:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-12-14 05:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-12-14 05:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2022-12-14 05:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2022-12-14 05:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2022-12-14 05:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2022-12-14 05:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2022-12-14 05:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2022-12-14 05:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 05:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 05:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 05:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 05:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-12-14 05:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-12-14 05:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2022-12-14 05:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2022-12-14 05:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:00:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2022-12-14 05:00:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2022-12-14 05:00:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2022-12-14 05:00:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2022-12-14 05:00:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 05:00:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 05:00:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2022-12-14 05:00:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2022-12-14 05:00:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 05:00:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 05:00:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2022-12-14 05:00:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2022-12-14 05:00:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2022-12-14 05:00:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2022-12-14 05:00:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2022-12-14 05:00:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2022-12-14 05:00:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2022-12-14 05:00:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2022-12-14 05:00:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2022-12-14 05:00:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2022-12-14 05:00:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:00:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:00:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2022-12-14 05:00:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 05:00:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 05:00:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 05:00:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-12-14 05:00:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-12-14 05:00:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 05:00:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-12-14 05:00:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 05:00:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 05:00:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 05:00:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 05:00:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 05:00:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-12-14 05:00:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-12-14 05:00:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 05:00:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 05:00:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-12-14 05:00:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-12-14 05:00:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 05:00:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 05:00:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2022-12-14 05:00:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2022-12-14 05:00:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2022-12-14 05:00:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2022-12-14 05:00:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2022-12-14 05:00:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2022-12-14 05:00:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 05:00:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 05:00:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 05:00:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 05:00:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2022-12-14 05:00:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2022-12-14 05:00:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:00:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:00:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:00:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2022-12-14 05:00:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2022-12-14 05:00:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2022-12-14 05:00:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2022-12-14 05:00:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2022-12-14 05:00:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2022-12-14 05:00:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2022-12-14 05:00:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2022-12-14 05:00:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2022-12-14 05:00:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2022-12-14 05:00:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_video_device [2022-12-14 05:00:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_video_device [2022-12-14 05:00:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 05:00:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 05:00:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2022-12-14 05:00:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2022-12-14 05:00:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 05:00:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 05:00:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 05:00:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 05:00:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2022-12-14 05:00:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2022-12-14 05:00:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2022-12-14 05:00:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2022-12-14 05:00:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 05:00:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 05:00:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 05:00:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 05:00:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2022-12-14 05:00:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2022-12-14 05:00:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 05:00:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 05:00:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:00:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 05:00:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 05:00:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 05:00:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 05:00:06,524 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:00:06,528 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:00:06,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 05:01:06,307 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 05:01:06,412 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:01:08,697 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:01:08,697 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 05:01:08,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:08 BoogieIcfgContainer [2022-12-14 05:01:08,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:01:08,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:01:08,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:01:08,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:01:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:00:01" (1/3) ... [2022-12-14 05:01:08,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6501ab21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:08, skipping insertion in model container [2022-12-14 05:01:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:04" (2/3) ... [2022-12-14 05:01:08,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6501ab21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:08, skipping insertion in model container [2022-12-14 05:01:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:08" (3/3) ... [2022-12-14 05:01:08,708 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 05:01:08,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:01:08,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 05:01:08,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:01:08,793 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;@5346419b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:01:08,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 05:01:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 2490 states, 1583 states have (on average 1.3310170562223627) internal successors, (2107), 1600 states have internal predecessors, (2107), 772 states have call successors, (772), 133 states have call predecessors, (772), 132 states have return successors, (763), 756 states have call predecessors, (763), 763 states have call successors, (763) [2022-12-14 05:01:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-12-14 05:01:08,820 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:01:08,821 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:01:08,821 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:01:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:01:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1111134835, now seen corresponding path program 1 times [2022-12-14 05:01:08,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:01:08,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609596994] [2022-12-14 05:01:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:08,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:01:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:01:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-12-14 05:01:09,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:01:09,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609596994] [2022-12-14 05:01:09,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609596994] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:01:09,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:01:09,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:01:09,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612753356] [2022-12-14 05:01:09,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:01:09,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:01:09,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:01:09,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:01:09,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:01:09,826 INFO L87 Difference]: Start difference. First operand has 2490 states, 1583 states have (on average 1.3310170562223627) internal successors, (2107), 1600 states have internal predecessors, (2107), 772 states have call successors, (772), 133 states have call predecessors, (772), 132 states have return successors, (763), 756 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 05:01:11,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:15,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:19,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:22,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:24,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:27,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:29,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:31,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:33,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:36,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:39,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:41,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:01:43,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:45,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:01:45,454 INFO L93 Difference]: Finished difference Result 7117 states and 10542 transitions. [2022-12-14 05:01:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:01:45,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 445 [2022-12-14 05:01:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:01:45,491 INFO L225 Difference]: With dead ends: 7117 [2022-12-14 05:01:45,491 INFO L226 Difference]: Without dead ends: 4701 [2022-12-14 05:01:45,506 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 [2022-12-14 05:01:45,508 INFO L413 NwaCegarLoop]: 3768 mSDtfsCounter, 3241 mSDsluCounter, 3067 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 15 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 6835 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:01:45,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 6835 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1077 Invalid, 12 Unknown, 0 Unchecked, 35.3s Time] [2022-12-14 05:01:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4701 states. [2022-12-14 05:01:45,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4701 to 4692. [2022-12-14 05:01:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4692 states, 3008 states have (on average 1.3257978723404256) internal successors, (3988), 3041 states have internal predecessors, (3988), 1424 states have call successors, (1424), 258 states have call predecessors, (1424), 257 states have return successors, (1430), 1406 states have call predecessors, (1430), 1420 states have call successors, (1430) [2022-12-14 05:01:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 6842 transitions. [2022-12-14 05:01:45,812 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 6842 transitions. Word has length 445 [2022-12-14 05:01:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:01:45,813 INFO L495 AbstractCegarLoop]: Abstraction has 4692 states and 6842 transitions. [2022-12-14 05:01:45,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 05:01:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 6842 transitions. [2022-12-14 05:01:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-12-14 05:01:45,827 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:01:45,827 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:01:45,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:01:45,828 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:01:45,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:01:45,828 INFO L85 PathProgramCache]: Analyzing trace with hash -666437237, now seen corresponding path program 1 times [2022-12-14 05:01:45,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:01:45,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109036731] [2022-12-14 05:01:45,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:45,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:01:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:01:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 05:01:46,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:01:46,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109036731] [2022-12-14 05:01:46,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109036731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:01:46,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:01:46,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:01:46,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156761862] [2022-12-14 05:01:46,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:01:46,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:01:46,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:01:46,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:01:46,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:01:46,293 INFO L87 Difference]: Start difference. First operand 4692 states and 6842 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:01:47,601 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 [] [2022-12-14 05:01:51,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:01:57,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:02,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:04,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:07,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:09,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:11,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:12,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:14,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:16,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:18,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:20,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:02:20,829 INFO L93 Difference]: Finished difference Result 11413 states and 16617 transitions. [2022-12-14 05:02:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:02:20,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 479 [2022-12-14 05:02:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:02:20,857 INFO L225 Difference]: With dead ends: 11413 [2022-12-14 05:02:20,857 INFO L226 Difference]: Without dead ends: 6808 [2022-12-14 05:02:20,870 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 [2022-12-14 05:02:20,870 INFO L413 NwaCegarLoop]: 3727 mSDtfsCounter, 3155 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 13 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3168 SdHoareTripleChecker+Valid, 6765 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:02:20,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3168 Valid, 6765 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1087 Invalid, 9 Unknown, 0 Unchecked, 34.3s Time] [2022-12-14 05:02:20,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6808 states. [2022-12-14 05:02:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6808 to 6778. [2022-12-14 05:02:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6778 states, 4380 states have (on average 1.3273972602739725) internal successors, (5814), 4428 states have internal predecessors, (5814), 2011 states have call successors, (2011), 385 states have call predecessors, (2011), 384 states have return successors, (2027), 1983 states have call predecessors, (2027), 2007 states have call successors, (2027) [2022-12-14 05:02:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6778 states to 6778 states and 9852 transitions. [2022-12-14 05:02:21,107 INFO L78 Accepts]: Start accepts. Automaton has 6778 states and 9852 transitions. Word has length 479 [2022-12-14 05:02:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:02:21,108 INFO L495 AbstractCegarLoop]: Abstraction has 6778 states and 9852 transitions. [2022-12-14 05:02:21,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:02:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6778 states and 9852 transitions. [2022-12-14 05:02:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-12-14 05:02:21,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:02:21,115 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:02:21,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:02:21,115 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:02:21,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:02:21,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1557918980, now seen corresponding path program 1 times [2022-12-14 05:02:21,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:02:21,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339985580] [2022-12-14 05:02:21,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:02:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:02:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:02:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 05:02:21,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:02:21,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339985580] [2022-12-14 05:02:21,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339985580] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:02:21,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:02:21,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:02:21,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838957077] [2022-12-14 05:02:21,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:02:21,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:02:21,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:02:21,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:02:21,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:02:21,503 INFO L87 Difference]: Start difference. First operand 6778 states and 9852 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:02:25,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:28,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:30,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:34,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:40,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:42,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:44,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:46,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:47,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:49,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:51,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:53,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:55,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:02:57,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:02:59,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:01,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:03,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:03,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:03,101 INFO L93 Difference]: Finished difference Result 17350 states and 25208 transitions. [2022-12-14 05:03:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:03:03,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 478 [2022-12-14 05:03:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:03,143 INFO L225 Difference]: With dead ends: 17350 [2022-12-14 05:03:03,143 INFO L226 Difference]: Without dead ends: 10659 [2022-12-14 05:03:03,163 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 [2022-12-14 05:03:03,164 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 3256 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 13 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 6958 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:03,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 6958 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1151 Invalid, 9 Unknown, 0 Unchecked, 41.3s Time] [2022-12-14 05:03:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10659 states. [2022-12-14 05:03:03,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10659 to 10633. [2022-12-14 05:03:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10633 states, 6914 states have (on average 1.3287532542667053) internal successors, (9187), 6991 states have internal predecessors, (9187), 3096 states have call successors, (3096), 621 states have call predecessors, (3096), 620 states have return successors, (3144), 3049 states have call predecessors, (3144), 3092 states have call successors, (3144) [2022-12-14 05:03:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10633 states to 10633 states and 15427 transitions. [2022-12-14 05:03:03,588 INFO L78 Accepts]: Start accepts. Automaton has 10633 states and 15427 transitions. Word has length 478 [2022-12-14 05:03:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:03,589 INFO L495 AbstractCegarLoop]: Abstraction has 10633 states and 15427 transitions. [2022-12-14 05:03:03,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:03:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 10633 states and 15427 transitions. [2022-12-14 05:03:03,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-12-14 05:03:03,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:03,594 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:03,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:03:03,595 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:03:03,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:03,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1006242981, now seen corresponding path program 1 times [2022-12-14 05:03:03,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:03,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103484606] [2022-12-14 05:03:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:03,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 05:03:04,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:04,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103484606] [2022-12-14 05:03:04,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103484606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:04,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:04,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:04,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090967416] [2022-12-14 05:03:04,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:04,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:03:04,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:04,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:03:04,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:03:04,139 INFO L87 Difference]: Start difference. First operand 10633 states and 15427 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:03:08,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:12,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:16,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:18,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:20,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:22,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:25,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:27,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:29,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:31,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:32,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:34,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:34,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:34,836 INFO L93 Difference]: Finished difference Result 29256 states and 42453 transitions. [2022-12-14 05:03:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:03:34,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 477 [2022-12-14 05:03:34,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:34,922 INFO L225 Difference]: With dead ends: 29256 [2022-12-14 05:03:34,922 INFO L226 Difference]: Without dead ends: 18710 [2022-12-14 05:03:34,955 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 [2022-12-14 05:03:34,955 INFO L413 NwaCegarLoop]: 3739 mSDtfsCounter, 3221 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 13 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 6793 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:34,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3233 Valid, 6793 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1068 Invalid, 10 Unknown, 0 Unchecked, 30.2s Time] [2022-12-14 05:03:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18710 states. [2022-12-14 05:03:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18710 to 18661. [2022-12-14 05:03:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18661 states, 12160 states have (on average 1.3296875) internal successors, (16169), 12311 states have internal predecessors, (16169), 5391 states have call successors, (5391), 1108 states have call predecessors, (5391), 1107 states have return successors, (5494), 5294 states have call predecessors, (5494), 5387 states have call successors, (5494) [2022-12-14 05:03:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18661 states to 18661 states and 27054 transitions. [2022-12-14 05:03:35,628 INFO L78 Accepts]: Start accepts. Automaton has 18661 states and 27054 transitions. Word has length 477 [2022-12-14 05:03:35,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:35,629 INFO L495 AbstractCegarLoop]: Abstraction has 18661 states and 27054 transitions. [2022-12-14 05:03:35,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:03:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 18661 states and 27054 transitions. [2022-12-14 05:03:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-12-14 05:03:35,635 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:35,635 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 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] [2022-12-14 05:03:35,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:03:35,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:03:35,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1732650143, now seen corresponding path program 1 times [2022-12-14 05:03:35,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:35,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033782164] [2022-12-14 05:03:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7492 trivial. 0 not checked. [2022-12-14 05:03:36,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:36,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033782164] [2022-12-14 05:03:36,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033782164] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:36,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:36,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:03:36,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23801164] [2022-12-14 05:03:36,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:36,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:03:36,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:36,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:03:36,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:03:36,997 INFO L87 Difference]: Start difference. First operand 18661 states and 27054 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 05:03:42,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:44,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:46,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:54,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:03:56,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:03:58,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:01,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:03,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:05,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:08,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:09,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:11,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:13,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:15,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:17,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:19,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:19,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:04:19,870 INFO L93 Difference]: Finished difference Result 18872 states and 27303 transitions. [2022-12-14 05:04:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:04:19,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 479 [2022-12-14 05:04:19,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:04:19,933 INFO L225 Difference]: With dead ends: 18872 [2022-12-14 05:04:19,933 INFO L226 Difference]: Without dead ends: 18870 [2022-12-14 05:04:19,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:04:19,941 INFO L413 NwaCegarLoop]: 3099 mSDtfsCounter, 3347 mSDsluCounter, 6386 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3362 SdHoareTripleChecker+Valid, 9485 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:04:19,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3362 Valid, 9485 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1608 Invalid, 10 Unknown, 0 Unchecked, 42.3s Time] [2022-12-14 05:04:19,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18870 states. [2022-12-14 05:04:20,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18870 to 18868. [2022-12-14 05:04:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18868 states, 12276 states have (on average 1.3273867709351581) internal successors, (16295), 12433 states have internal predecessors, (16295), 5439 states have call successors, (5439), 1145 states have call predecessors, (5439), 1150 states have return successors, (5565), 5342 states have call predecessors, (5565), 5435 states have call successors, (5565) [2022-12-14 05:04:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18868 states to 18868 states and 27299 transitions. [2022-12-14 05:04:20,690 INFO L78 Accepts]: Start accepts. Automaton has 18868 states and 27299 transitions. Word has length 479 [2022-12-14 05:04:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:04:20,690 INFO L495 AbstractCegarLoop]: Abstraction has 18868 states and 27299 transitions. [2022-12-14 05:04:20,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 05:04:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 18868 states and 27299 transitions. [2022-12-14 05:04:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-12-14 05:04:20,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:04:20,696 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 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] [2022-12-14 05:04:20,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:04:20,697 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:04:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:04:20,697 INFO L85 PathProgramCache]: Analyzing trace with hash -155333393, now seen corresponding path program 1 times [2022-12-14 05:04:20,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:04:20,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254511769] [2022-12-14 05:04:20,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:04:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7494 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7492 trivial. 0 not checked. [2022-12-14 05:04:21,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:04:21,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254511769] [2022-12-14 05:04:21,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254511769] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:04:21,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:04:21,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:04:21,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641713402] [2022-12-14 05:04:21,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:04:21,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:04:21,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:04:21,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:04:21,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:04:21,932 INFO L87 Difference]: Start difference. First operand 18868 states and 27299 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 05:04:24,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:28,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:34,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:40,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:42,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:45,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:46,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:48,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:50,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:52,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:54,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:04:56,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:04:58,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:00,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:02,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:04,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:05:04,486 INFO L93 Difference]: Finished difference Result 18981 states and 27441 transitions. [2022-12-14 05:05:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:05:04,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 484 [2022-12-14 05:05:04,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:05:04,548 INFO L225 Difference]: With dead ends: 18981 [2022-12-14 05:05:04,548 INFO L226 Difference]: Without dead ends: 18979 [2022-12-14 05:05:04,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:05:04,559 INFO L413 NwaCegarLoop]: 3106 mSDtfsCounter, 3351 mSDsluCounter, 6394 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 9500 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:05:04,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 9500 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1605 Invalid, 11 Unknown, 0 Unchecked, 41.9s Time] [2022-12-14 05:05:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18979 states. [2022-12-14 05:05:05,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18979 to 18976. [2022-12-14 05:05:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18976 states, 12337 states have (on average 1.3260922428467212) internal successors, (16360), 12494 states have internal predecessors, (16360), 5469 states have call successors, (5469), 1160 states have call predecessors, (5469), 1167 states have return successors, (5607), 5374 states have call predecessors, (5607), 5465 states have call successors, (5607) [2022-12-14 05:05:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18976 states to 18976 states and 27436 transitions. [2022-12-14 05:05:05,317 INFO L78 Accepts]: Start accepts. Automaton has 18976 states and 27436 transitions. Word has length 484 [2022-12-14 05:05:05,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:05:05,317 INFO L495 AbstractCegarLoop]: Abstraction has 18976 states and 27436 transitions. [2022-12-14 05:05:05,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 05:05:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 18976 states and 27436 transitions. [2022-12-14 05:05:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-12-14 05:05:05,324 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:05:05,324 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:05:05,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:05:05,324 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:05:05,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:05:05,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1952605839, now seen corresponding path program 1 times [2022-12-14 05:05:05,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:05:05,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5062093] [2022-12-14 05:05:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:05:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:05:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:05:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7501 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7497 trivial. 0 not checked. [2022-12-14 05:05:06,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:05:06,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5062093] [2022-12-14 05:05:06,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5062093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:05:06,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:05:06,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:05:06,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393887375] [2022-12-14 05:05:06,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:05:06,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:05:06,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:05:06,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:05:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:05:06,451 INFO L87 Difference]: Start difference. First operand 18976 states and 27436 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 05:05:10,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:13,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:15,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:17,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:19,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:21,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:23,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:28,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:30,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:32,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:35,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:37,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:39,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:40,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:42,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:44,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:46,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:05:48,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:05:48,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:05:48,334 INFO L93 Difference]: Finished difference Result 19020 states and 27488 transitions. [2022-12-14 05:05:48,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:05:48,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 490 [2022-12-14 05:05:48,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:05:48,390 INFO L225 Difference]: With dead ends: 19020 [2022-12-14 05:05:48,390 INFO L226 Difference]: Without dead ends: 19018 [2022-12-14 05:05:48,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:05:48,399 INFO L413 NwaCegarLoop]: 3102 mSDtfsCounter, 3335 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 9494 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:05:48,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 9494 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1601 Invalid, 13 Unknown, 0 Unchecked, 41.2s Time] [2022-12-14 05:05:48,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19018 states. [2022-12-14 05:05:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19018 to 18998. [2022-12-14 05:05:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18998 states, 12349 states have (on average 1.3257753664264313) internal successors, (16372), 12506 states have internal predecessors, (16372), 5469 states have call successors, (5469), 1170 states have call predecessors, (5469), 1177 states have return successors, (5607), 5374 states have call predecessors, (5607), 5465 states have call successors, (5607) [2022-12-14 05:05:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18998 states to 18998 states and 27448 transitions. [2022-12-14 05:05:49,176 INFO L78 Accepts]: Start accepts. Automaton has 18998 states and 27448 transitions. Word has length 490 [2022-12-14 05:05:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:05:49,177 INFO L495 AbstractCegarLoop]: Abstraction has 18998 states and 27448 transitions. [2022-12-14 05:05:49,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 05:05:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 18998 states and 27448 transitions. [2022-12-14 05:05:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-12-14 05:05:49,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:05:49,184 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 4, 3, 3, 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] [2022-12-14 05:05:49,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:05:49,184 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:05:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:05:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1536344575, now seen corresponding path program 1 times [2022-12-14 05:05:49,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:05:49,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22846223] [2022-12-14 05:05:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:05:49,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:05:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:05:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7511 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7505 trivial. 0 not checked. [2022-12-14 05:05:50,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:05:50,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22846223] [2022-12-14 05:05:50,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22846223] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:05:50,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:05:50,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:05:50,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526766910] [2022-12-14 05:05:50,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:05:50,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:05:50,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:05:50,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:05:50,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:05:50,246 INFO L87 Difference]: Start difference. First operand 18998 states and 27448 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 05:05:52,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:00,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:07,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:10,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:13,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:16,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:18,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:20,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:22,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:23,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:25,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:27,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:29,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:31,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:33,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:35,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:37,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:39,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:41,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:41,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:41,468 INFO L93 Difference]: Finished difference Result 36364 states and 52789 transitions. [2022-12-14 05:06:41,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:06:41,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 495 [2022-12-14 05:06:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:41,573 INFO L225 Difference]: With dead ends: 36364 [2022-12-14 05:06:41,573 INFO L226 Difference]: Without dead ends: 36362 [2022-12-14 05:06:41,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:06:41,587 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 3199 mSDsluCounter, 10781 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 3 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 14704 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:41,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3213 Valid, 14704 Invalid, 2221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2205 Invalid, 13 Unknown, 0 Unchecked, 49.9s Time] [2022-12-14 05:06:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36362 states. [2022-12-14 05:06:43,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36362 to 36164. [2022-12-14 05:06:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36164 states, 23493 states have (on average 1.3287787851700505) internal successors, (31217), 23852 states have internal predecessors, (31217), 10453 states have call successors, (10453), 2242 states have call predecessors, (10453), 2215 states have return successors, (10875), 10175 states have call predecessors, (10875), 10445 states have call successors, (10875) [2022-12-14 05:06:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36164 states to 36164 states and 52545 transitions. [2022-12-14 05:06:43,231 INFO L78 Accepts]: Start accepts. Automaton has 36164 states and 52545 transitions. Word has length 495 [2022-12-14 05:06:43,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:43,232 INFO L495 AbstractCegarLoop]: Abstraction has 36164 states and 52545 transitions. [2022-12-14 05:06:43,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 05:06:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 36164 states and 52545 transitions. [2022-12-14 05:06:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-12-14 05:06:43,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:43,239 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 5, 4, 4, 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] [2022-12-14 05:06:43,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:06:43,240 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:06:43,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:43,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1956949089, now seen corresponding path program 1 times [2022-12-14 05:06:43,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:43,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632203102] [2022-12-14 05:06:43,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7524 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7516 trivial. 0 not checked. [2022-12-14 05:06:44,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:44,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632203102] [2022-12-14 05:06:44,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632203102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:44,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:06:44,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:06:44,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729473903] [2022-12-14 05:06:44,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:44,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:06:44,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:44,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:06:44,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:06:44,325 INFO L87 Difference]: Start difference. First operand 36164 states and 52545 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 05:06:45,882 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 [] [2022-12-14 05:06:47,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:52,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:06:55,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:06:58,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:03,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:06,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:08,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:10,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:12,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:14,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:16,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:18,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:20,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:20,852 INFO L93 Difference]: Finished difference Result 36212 states and 52628 transitions. [2022-12-14 05:07:20,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:07:20,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 499 [2022-12-14 05:07:20,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:20,962 INFO L225 Difference]: With dead ends: 36212 [2022-12-14 05:07:20,963 INFO L226 Difference]: Without dead ends: 36208 [2022-12-14 05:07:20,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:07:20,978 INFO L413 NwaCegarLoop]: 3102 mSDtfsCounter, 3326 mSDsluCounter, 6396 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 9498 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:20,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 9498 Invalid, 1612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1600 Invalid, 11 Unknown, 0 Unchecked, 35.0s Time] [2022-12-14 05:07:21,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36208 states. [2022-12-14 05:07:22,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36208 to 36172. [2022-12-14 05:07:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36172 states, 23499 states have (on average 1.3286522830758756) internal successors, (31222), 23858 states have internal predecessors, (31222), 10453 states have call successors, (10453), 2244 states have call predecessors, (10453), 2217 states have return successors, (10876), 10175 states have call predecessors, (10876), 10445 states have call successors, (10876) [2022-12-14 05:07:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36172 states to 36172 states and 52551 transitions. [2022-12-14 05:07:22,651 INFO L78 Accepts]: Start accepts. Automaton has 36172 states and 52551 transitions. Word has length 499 [2022-12-14 05:07:22,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:22,651 INFO L495 AbstractCegarLoop]: Abstraction has 36172 states and 52551 transitions. [2022-12-14 05:07:22,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 05:07:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 36172 states and 52551 transitions. [2022-12-14 05:07:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-12-14 05:07:22,658 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:22,658 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:22,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:07:22,659 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:07:22,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1169154225, now seen corresponding path program 1 times [2022-12-14 05:07:22,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:22,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827552275] [2022-12-14 05:07:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:22,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 05:07:23,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:23,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827552275] [2022-12-14 05:07:23,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827552275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:23,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:23,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:07:23,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052259132] [2022-12-14 05:07:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:23,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:07:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:07:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:07:23,017 INFO L87 Difference]: Start difference. First operand 36172 states and 52551 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:07:25,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:27,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:32,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:36,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:39,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:43,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:45,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:47,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:49,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:51,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:53,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:55,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:07:57,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:07:58,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:00,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:01,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:08:01,167 INFO L93 Difference]: Finished difference Result 96376 states and 139491 transitions. [2022-12-14 05:08:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:08:01,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 503 [2022-12-14 05:08:01,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:08:01,360 INFO L225 Difference]: With dead ends: 96376 [2022-12-14 05:08:01,360 INFO L226 Difference]: Without dead ends: 60291 [2022-12-14 05:08:01,448 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 [2022-12-14 05:08:01,448 INFO L413 NwaCegarLoop]: 3787 mSDtfsCounter, 2862 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 7 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:08:01,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 6802 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1122 Invalid, 12 Unknown, 0 Unchecked, 35.8s Time] [2022-12-14 05:08:01,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60291 states. [2022-12-14 05:08:04,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60291 to 60165. [2022-12-14 05:08:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60165 states, 38996 states have (on average 1.322827982357165) internal successors, (51585), 39652 states have internal predecessors, (51585), 17286 states have call successors, (17286), 3929 states have call predecessors, (17286), 3880 states have return successors, (17988), 16770 states have call predecessors, (17988), 17278 states have call successors, (17988) [2022-12-14 05:08:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60165 states to 60165 states and 86859 transitions. [2022-12-14 05:08:04,284 INFO L78 Accepts]: Start accepts. Automaton has 60165 states and 86859 transitions. Word has length 503 [2022-12-14 05:08:04,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:04,284 INFO L495 AbstractCegarLoop]: Abstraction has 60165 states and 86859 transitions. [2022-12-14 05:08:04,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 05:08:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 60165 states and 86859 transitions. [2022-12-14 05:08:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-12-14 05:08:04,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:04,291 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:04,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:08:04,291 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:08:04,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:04,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1570637073, now seen corresponding path program 1 times [2022-12-14 05:08:04,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:04,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813600190] [2022-12-14 05:08:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:04,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:08:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7542 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7532 trivial. 0 not checked. [2022-12-14 05:08:05,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:08:05,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813600190] [2022-12-14 05:08:05,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813600190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:08:05,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:08:05,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:08:05,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55346365] [2022-12-14 05:08:05,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:08:05,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:08:05,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:08:05,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:08:05,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:05,280 INFO L87 Difference]: Start difference. First operand 60165 states and 86859 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 05:08:08,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:11,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:16,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:19,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:22,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:26,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:28,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:30,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:32,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:35,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:37,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:39,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:41,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:43,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:08:43,729 INFO L93 Difference]: Finished difference Result 60274 states and 87035 transitions. [2022-12-14 05:08:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:08:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 504 [2022-12-14 05:08:43,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:08:43,911 INFO L225 Difference]: With dead ends: 60274 [2022-12-14 05:08:43,912 INFO L226 Difference]: Without dead ends: 60209 [2022-12-14 05:08:43,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:08:43,932 INFO L413 NwaCegarLoop]: 3117 mSDtfsCounter, 3344 mSDsluCounter, 6425 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 9542 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:08:43,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 9542 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1606 Invalid, 12 Unknown, 0 Unchecked, 36.2s Time] [2022-12-14 05:08:43,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60209 states. [2022-12-14 05:08:46,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60209 to 60142. [2022-12-14 05:08:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60142 states, 38994 states have (on average 1.3216135815766528) internal successors, (51535), 39633 states have internal predecessors, (51535), 17266 states have call successors, (17266), 3926 states have call predecessors, (17266), 3879 states have return successors, (17988), 16769 states have call predecessors, (17988), 17262 states have call successors, (17988) [2022-12-14 05:08:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60142 states to 60142 states and 86789 transitions. [2022-12-14 05:08:47,142 INFO L78 Accepts]: Start accepts. Automaton has 60142 states and 86789 transitions. Word has length 504 [2022-12-14 05:08:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:47,143 INFO L495 AbstractCegarLoop]: Abstraction has 60142 states and 86789 transitions. [2022-12-14 05:08:47,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 05:08:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 60142 states and 86789 transitions. [2022-12-14 05:08:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-12-14 05:08:47,162 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:47,163 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:47,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:08:47,163 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:08:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:47,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1880359693, now seen corresponding path program 1 times [2022-12-14 05:08:47,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:47,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531916981] [2022-12-14 05:08:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:47,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:08:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7956 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7949 trivial. 0 not checked. [2022-12-14 05:08:47,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:08:47,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531916981] [2022-12-14 05:08:47,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531916981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:08:47,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:08:47,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:08:47,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952451081] [2022-12-14 05:08:47,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:08:47,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:08:47,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:08:47,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:08:47,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:08:47,702 INFO L87 Difference]: Start difference. First operand 60142 states and 86789 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:08:50,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:08:53,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:08:59,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:01,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:07,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:11,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:14,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:16,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:18,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:21,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:23,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:25,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:27,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:27,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:09:27,589 INFO L93 Difference]: Finished difference Result 146881 states and 212189 transitions. [2022-12-14 05:09:27,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:09:27,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 533 [2022-12-14 05:09:27,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:09:27,887 INFO L225 Difference]: With dead ends: 146881 [2022-12-14 05:09:27,887 INFO L226 Difference]: Without dead ends: 88010 [2022-12-14 05:09:28,031 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 [2022-12-14 05:09:28,032 INFO L413 NwaCegarLoop]: 5802 mSDtfsCounter, 3218 mSDsluCounter, 3039 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 9 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 8841 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:09:28,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3233 Valid, 8841 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1549 Invalid, 11 Unknown, 0 Unchecked, 36.0s Time] [2022-12-14 05:09:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88010 states. [2022-12-14 05:09:32,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88010 to 87899. [2022-12-14 05:09:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87899 states, 57042 states have (on average 1.3224115563970407) internal successors, (75433), 57991 states have internal predecessors, (75433), 25195 states have call successors, (25195), 5730 states have call predecessors, (25195), 5659 states have return successors, (26292), 24452 states have call predecessors, (26292), 25191 states have call successors, (26292) [2022-12-14 05:09:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87899 states to 87899 states and 126920 transitions. [2022-12-14 05:09:32,477 INFO L78 Accepts]: Start accepts. Automaton has 87899 states and 126920 transitions. Word has length 533 [2022-12-14 05:09:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:09:32,477 INFO L495 AbstractCegarLoop]: Abstraction has 87899 states and 126920 transitions. [2022-12-14 05:09:32,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:09:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 87899 states and 126920 transitions. [2022-12-14 05:09:32,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-12-14 05:09:32,492 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:09:32,492 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:09:32,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:09:32,492 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:09:32,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:09:32,493 INFO L85 PathProgramCache]: Analyzing trace with hash -191375920, now seen corresponding path program 1 times [2022-12-14 05:09:32,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:09:32,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568972829] [2022-12-14 05:09:32,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:09:32,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:09:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:09:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7957 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7950 trivial. 0 not checked. [2022-12-14 05:09:32,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:09:32,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568972829] [2022-12-14 05:09:32,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568972829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:09:32,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:09:32,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:09:32,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78090116] [2022-12-14 05:09:32,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:09:32,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:09:32,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:09:32,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:09:32,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:09:32,803 INFO L87 Difference]: Start difference. First operand 87899 states and 126920 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:09:35,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:41,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:46,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:51,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:09:56,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:09:58,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:02,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:04,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:06,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:08,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:10,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:12,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:10:14,148 INFO L93 Difference]: Finished difference Result 214358 states and 309535 transitions. [2022-12-14 05:10:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:10:14,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 536 [2022-12-14 05:10:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:10:14,606 INFO L225 Difference]: With dead ends: 214358 [2022-12-14 05:10:14,607 INFO L226 Difference]: Without dead ends: 127730 [2022-12-14 05:10:14,827 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 [2022-12-14 05:10:14,828 INFO L413 NwaCegarLoop]: 5082 mSDtfsCounter, 3148 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 9 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 8099 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:10:14,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3160 Valid, 8099 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1421 Invalid, 11 Unknown, 0 Unchecked, 36.0s Time] [2022-12-14 05:10:14,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127730 states. [2022-12-14 05:10:22,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127730 to 127663. [2022-12-14 05:10:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127663 states, 83000 states have (on average 1.3228313253012047) internal successors, (109795), 84393 states have internal predecessors, (109795), 36391 states have call successors, (36391), 8374 states have call predecessors, (36391), 8269 states have return successors, (37921), 35292 states have call predecessors, (37921), 36387 states have call successors, (37921) [2022-12-14 05:10:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127663 states to 127663 states and 184107 transitions. [2022-12-14 05:10:22,706 INFO L78 Accepts]: Start accepts. Automaton has 127663 states and 184107 transitions. Word has length 536 [2022-12-14 05:10:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:10:22,707 INFO L495 AbstractCegarLoop]: Abstraction has 127663 states and 184107 transitions. [2022-12-14 05:10:22,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:10:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 127663 states and 184107 transitions. [2022-12-14 05:10:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-14 05:10:22,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:10:22,721 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:10:22,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:10:22,721 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:10:22,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:10:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1988885535, now seen corresponding path program 1 times [2022-12-14 05:10:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:10:22,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631390337] [2022-12-14 05:10:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:10:22,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:10:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:10:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 7957 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7950 trivial. 0 not checked. [2022-12-14 05:10:23,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:10:23,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631390337] [2022-12-14 05:10:23,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631390337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:10:23,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:10:23,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:10:23,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216795146] [2022-12-14 05:10:23,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:10:23,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:10:23,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:10:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:10:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:10:23,036 INFO L87 Difference]: Start difference. First operand 127663 states and 184107 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:10:26,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:29,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:32,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:37,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:40,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:42,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:46,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:48,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:52,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:54,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:10:56,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:10:58,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:00,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:02,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:04,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:08,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:11:08,400 INFO L93 Difference]: Finished difference Result 311280 states and 448828 transitions. [2022-12-14 05:11:08,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:11:08,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 535 [2022-12-14 05:11:08,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:11:09,106 INFO L225 Difference]: With dead ends: 311280 [2022-12-14 05:11:09,107 INFO L226 Difference]: Without dead ends: 184888 [2022-12-14 05:11:09,448 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 [2022-12-14 05:11:09,449 INFO L413 NwaCegarLoop]: 5633 mSDtfsCounter, 3137 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 8649 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:11:09,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3149 Valid, 8649 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1539 Invalid, 12 Unknown, 0 Unchecked, 38.1s Time] [2022-12-14 05:11:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184888 states. [2022-12-14 05:11:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184888 to 184825. [2022-12-14 05:11:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184825 states, 120454 states have (on average 1.3235675029471832) internal successors, (159429), 122485 states have internal predecessors, (159429), 52315 states have call successors, (52315), 12204 states have call predecessors, (52315), 12053 states have return successors, (54365), 50704 states have call predecessors, (54365), 52311 states have call successors, (54365) [2022-12-14 05:11:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184825 states to 184825 states and 266109 transitions. [2022-12-14 05:11:19,033 INFO L78 Accepts]: Start accepts. Automaton has 184825 states and 266109 transitions. Word has length 535 [2022-12-14 05:11:19,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:11:19,033 INFO L495 AbstractCegarLoop]: Abstraction has 184825 states and 266109 transitions. [2022-12-14 05:11:19,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:11:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 184825 states and 266109 transitions. [2022-12-14 05:11:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2022-12-14 05:11:19,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:11:19,057 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:11:19,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 05:11:19,058 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:11:19,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:11:19,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1771147482, now seen corresponding path program 1 times [2022-12-14 05:11:19,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:11:19,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936233184] [2022-12-14 05:11:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:11:19,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:11:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:11:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7954 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7947 trivial. 0 not checked. [2022-12-14 05:11:19,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:11:19,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936233184] [2022-12-14 05:11:19,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936233184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:11:19,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:11:19,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:11:19,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437906930] [2022-12-14 05:11:19,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:11:19,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:11:19,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:11:19,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:11:19,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:11:19,406 INFO L87 Difference]: Start difference. First operand 184825 states and 266109 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:11:22,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:24,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:25,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:30,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:32,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:37,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:41,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:44,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:47,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:49,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:52,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:54,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:11:56,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:11:58,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:12:05,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:12:05,259 INFO L93 Difference]: Finished difference Result 447776 states and 643738 transitions. [2022-12-14 05:12:05,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:12:05,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 557 [2022-12-14 05:12:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:12:06,294 INFO L225 Difference]: With dead ends: 447776 [2022-12-14 05:12:06,294 INFO L226 Difference]: Without dead ends: 264222 [2022-12-14 05:12:06,866 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 [2022-12-14 05:12:06,866 INFO L413 NwaCegarLoop]: 5536 mSDtfsCounter, 2864 mSDsluCounter, 3009 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 4 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 8545 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:12:06,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 8545 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1507 Invalid, 11 Unknown, 0 Unchecked, 35.2s Time] [2022-12-14 05:12:07,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264222 states. [2022-12-14 05:12:20,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264222 to 264067. [2022-12-14 05:12:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264067 states, 171985 states have (on average 1.3209349652585982) internal successors, (227181), 174979 states have internal predecessors, (227181), 74470 states have call successors, (74470), 17822 states have call predecessors, (74470), 17609 states have return successors, (77382), 72094 states have call predecessors, (77382), 74466 states have call successors, (77382) [2022-12-14 05:12:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264067 states to 264067 states and 379033 transitions. [2022-12-14 05:12:22,311 INFO L78 Accepts]: Start accepts. Automaton has 264067 states and 379033 transitions. Word has length 557 [2022-12-14 05:12:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:12:22,311 INFO L495 AbstractCegarLoop]: Abstraction has 264067 states and 379033 transitions. [2022-12-14 05:12:22,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 05:12:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 264067 states and 379033 transitions. [2022-12-14 05:12:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2022-12-14 05:12:22,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:12:22,337 INFO L195 NwaCegarLoop]: trace histogram [47, 45, 45, 45, 45, 45, 45, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:12:22,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:12:22,338 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 05:12:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:12:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash -827752931, now seen corresponding path program 1 times [2022-12-14 05:12:22,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:12:22,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782285744] [2022-12-14 05:12:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:12:22,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:12:22,467 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:12:22,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39048458] [2022-12-14 05:12:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:12:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:12:22,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:12:22,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:12:22,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48685237-da0a-4e8b-ae52-2c77c0cfc326/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:12:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:12:23,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 8719 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:12:23,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:12:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8120 backedges. 873 proven. 0 refuted. 0 times theorem prover too weak. 7247 trivial. 0 not checked. [2022-12-14 05:12:24,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:12:24,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:12:24,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782285744] [2022-12-14 05:12:24,095 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:12:24,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39048458] [2022-12-14 05:12:24,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39048458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:12:24,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:12:24,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:12:24,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872845602] [2022-12-14 05:12:24,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:12:24,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:12:24,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:12:24,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:12:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:12:24,098 INFO L87 Difference]: Start difference. First operand 264067 states and 379033 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 05:12:26,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:12:28,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:12:36,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:12:40,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:12:44,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:12:46,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:12:50,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:12:52,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:12:56,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:12:59,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:13:01,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:13:03,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []