./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 38b53e6a 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:10:07,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:10:07,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:10:07,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:10:07,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:10:07,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:10:07,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:10:07,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:10:07,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:10:07,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:10:07,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:10:07,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:10:07,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:10:07,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:10:07,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:10:07,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:10:07,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:10:07,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:10:07,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:10:07,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:10:07,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:10:07,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:10:07,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:10:07,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:10:07,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:10:07,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:10:07,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:10:07,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:10:07,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:10:07,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:10:07,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:10:07,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:10:07,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:10:07,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:10:07,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:10:07,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:10:07,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:10:07,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:10:07,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:10:07,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:10:07,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:10:07,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:10:07,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:10:07,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:10:07,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:10:07,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:10:07,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:10:07,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:10:07,537 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:10:07,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:10:07,537 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:10:07,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:10:07,539 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:10:07,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:10:07,540 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:10:07,540 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:10:07,540 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:10:07,541 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:10:07,541 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:10:07,541 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:10:07,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:10:07,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:10:07,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:10:07,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:10:07,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:10:07,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:10:07,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:10:07,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:10:07,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:10:07,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:10:07,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:10:07,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:10:07,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:10:07,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:10:07,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:10:07,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:10:07,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:10:07,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:10:07,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:10:07,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:10:07,548 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 [2022-11-26 00:10:07,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:10:07,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:10:07,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:10:07,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:10:07,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:10:07,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-11-26 00:10:11,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:10:12,534 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:10:12,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-11-26 00:10:12,611 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/data/43592588e/bc36ab2bf6544909ac22f89d9b828a66/FLAGab334bec6 [2022-11-26 00:10:12,633 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/data/43592588e/bc36ab2bf6544909ac22f89d9b828a66 [2022-11-26 00:10:12,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:10:12,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:10:12,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:10:12,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:10:12,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:10:12,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:10:12" (1/1) ... [2022-11-26 00:10:12,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5825a745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:12, skipping insertion in model container [2022-11-26 00:10:12,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:10:12" (1/1) ... [2022-11-26 00:10:12,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:10:12,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:10:13,819 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:10:14,040 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:10:14,086 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:10:14,348 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:10:14,361 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:10:14,369 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:10:14,434 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:10:14,487 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,721 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:10:14,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,725 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-11-26 00:10:14,726 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-11-26 00:10:14,726 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-11-26 00:10:14,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,734 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,751 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-11-26 00:10:14,751 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:10:14,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,759 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:10:14,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,773 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:14,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,785 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,788 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,794 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,799 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-26 00:10:14,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,808 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-11-26 00:10:14,809 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-26 00:10:14,819 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:14,829 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,851 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-26 00:10:14,851 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-26 00:10:14,852 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-26 00:10:14,852 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:14,871 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,875 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,877 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-26 00:10:14,886 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,887 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:10:14,889 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,891 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-26 00:10:14,893 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,911 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,920 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,932 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:14,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,955 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:10:14,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,959 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-11-26 00:10:14,960 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-11-26 00:10:14,961 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:14,961 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:14,962 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:14,962 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:14,963 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:14,963 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:14,964 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:14,965 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:14,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:14,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:14,985 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:14,990 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:10:14,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:14,998 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-11-26 00:10:14,999 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:14,999 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:15,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,003 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-11-26 00:10:15,007 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:10:15,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:15,008 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:10:15,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:15,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,012 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:10:15,636 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:10:15,639 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:10:15,666 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:10:15,667 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:10:15,685 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:10:15,738 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:10:15,746 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:10:15,796 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:10:15,796 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:10:15,797 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:10:15,798 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:10:15,846 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:15,855 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:15,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,978 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:15,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,004 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,013 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:10:16,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,022 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,028 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-26 00:10:16,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,039 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,042 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,043 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,057 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,061 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:16,070 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:16,071 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:10:16,072 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:10:16,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,092 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:10:16,093 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:10:16,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,108 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:10:16,121 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-11-26 00:10:16,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,167 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,170 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,171 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,176 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,179 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,192 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,241 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,243 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,265 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,274 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:10:16,274 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:10:16,282 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:10:16,283 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:10:16,291 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:10:16,292 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:10:16,300 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:10:16,301 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:10:16,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,315 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:10:16,316 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:10:16,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,329 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:10:16,329 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:10:16,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,357 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:16,357 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:16,358 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:16,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,420 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,422 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,426 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:16,427 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:16,428 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:16,428 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:16,429 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:10:16,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,481 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:10:16,493 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:10:16,503 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-26 00:10:16,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,528 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,529 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-26 00:10:16,549 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:10:16,550 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:10:16,554 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:10:16,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,826 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,844 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:10:16,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,961 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:10:16,962 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:10:16,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,964 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:10:16,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:16,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,004 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:10:17,005 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:17,005 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:17,007 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:10:17,007 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-26 00:10:17,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,026 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,035 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,045 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:17,046 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-26 00:10:17,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,070 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,071 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:10:17,072 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:10:17,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,084 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:10:17,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,119 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-26 00:10:17,130 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:10:17,133 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:10:17,134 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:10:17,136 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:10:17,218 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:10:17,218 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:10:17,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:10:17,623 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2022-11-26 00:10:17,628 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2022-11-26 00:10:17,629 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2022-11-26 00:10:17,629 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2022-11-26 00:10:17,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:10:17,777 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:10:17,923 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:10:17,927 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:10:17,930 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:10:17,940 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:10:17,941 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:10:17,941 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:10:17,945 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:10:17,948 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:17,962 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:17,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,048 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:10:18,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,051 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-11-26 00:10:18,051 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-11-26 00:10:18,052 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-11-26 00:10:18,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,070 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-11-26 00:10:18,070 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:10:18,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,073 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:10:18,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,087 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:18,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,089 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,095 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-26 00:10:18,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,100 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-11-26 00:10:18,101 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-26 00:10:18,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:18,103 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,107 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-26 00:10:18,107 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-26 00:10:18,107 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-26 00:10:18,108 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:18,110 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,112 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,113 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-26 00:10:18,114 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,115 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:10:18,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,117 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-26 00:10:18,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,121 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,123 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,124 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,126 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,132 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,134 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:10:18,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,137 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-11-26 00:10:18,137 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-11-26 00:10:18,138 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:18,138 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:18,138 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:18,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:18,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:10:18,140 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:18,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:18,141 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:18,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:18,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:18,163 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:18,165 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:10:18,186 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,186 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-11-26 00:10:18,187 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:10:18,187 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:10:18,197 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,197 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-11-26 00:10:18,209 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:10:18,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:18,210 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:10:18,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:10:18,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,214 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:10:18,233 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:10:18,234 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:10:18,247 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:10:18,248 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:10:18,257 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:10:18,259 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:10:18,259 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:10:18,260 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:10:18,261 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:10:18,261 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:10:18,262 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:10:18,263 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:18,264 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:18,267 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,284 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,292 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,295 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,297 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:10:18,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,306 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-26 00:10:18,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,317 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,331 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:18,333 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:10:18,333 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:10:18,334 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:10:18,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,346 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:10:18,346 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:10:18,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,353 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:10:18,366 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-11-26 00:10:18,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,466 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,475 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,478 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,515 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:10:18,516 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:10:18,517 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:10:18,517 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:10:18,518 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:10:18,519 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:10:18,519 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:10:18,520 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:10:18,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,523 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:10:18,523 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:10:18,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,531 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,532 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,533 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:10:18,533 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:10:18,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,542 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:18,543 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:18,543 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:18,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,551 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,557 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:18,557 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:18,558 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:18,558 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:18,559 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:10:18,565 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,579 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,582 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:10:18,583 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:10:18,589 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-26 00:10:18,595 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,604 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,605 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-26 00:10:18,611 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:10:18,612 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:10:18,615 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:10:18,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,746 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:10:18,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,763 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:10:18,764 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:10:18,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,765 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:10:18,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,853 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,857 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:10:18,857 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-26 00:10:18,858 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-26 00:10:18,858 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:10:18,859 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-26 00:10:18,865 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,873 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,875 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,882 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:10:18,882 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-26 00:10:18,886 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,888 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:10:18,888 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:10:18,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,896 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,897 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:10:18,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,919 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:10:18,922 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-26 00:10:18,924 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:10:18,925 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:10:18,926 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:10:18,926 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:10:18,930 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:10:18,930 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:10:18,931 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:10:18,949 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2022-11-26 00:10:18,950 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2022-11-26 00:10:18,950 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2022-11-26 00:10:18,951 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_af0e3584-eceb-4475-9eef-3cbeda68dcf9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2022-11-26 00:10:18,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:10:19,185 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:10:19,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19 WrapperNode [2022-11-26 00:10:19,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:10:19,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:10:19,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:10:19,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:10:19,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:19,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:19,956 INFO L138 Inliner]: procedures = 447, calls = 6502, calls flagged for inlining = 237, calls inlined = 218, statements flattened = 11777 [2022-11-26 00:10:19,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:10:19,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:10:19,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:10:19,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:10:19,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:19,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:20,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:20,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:21,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:21,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:21,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:21,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:21,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:10:21,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:10:21,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:10:21,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:10:21,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (1/1) ... [2022-11-26 00:10:21,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:10:21,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:10:21,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:10:21,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0e3584-eceb-4475-9eef-3cbeda68dcf9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:10:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2022-11-26 00:10:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2022-11-26 00:10:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-11-26 00:10:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-11-26 00:10:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2022-11-26 00:10:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2022-11-26 00:10:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:10:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:10:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-11-26 00:10:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-11-26 00:10:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:10:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:10:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-11-26 00:10:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-11-26 00:10:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-11-26 00:10:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-11-26 00:10:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2022-11-26 00:10:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2022-11-26 00:10:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:10:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:10:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2022-11-26 00:10:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2022-11-26 00:10:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2022-11-26 00:10:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2022-11-26 00:10:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2022-11-26 00:10:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2022-11-26 00:10:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-11-26 00:10:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-11-26 00:10:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-11-26 00:10:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-11-26 00:10:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:10:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:10:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-11-26 00:10:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-11-26 00:10:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2022-11-26 00:10:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2022-11-26 00:10:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2022-11-26 00:10:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2022-11-26 00:10:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2022-11-26 00:10:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2022-11-26 00:10:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-11-26 00:10:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-11-26 00:10:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2022-11-26 00:10:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2022-11-26 00:10:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:10:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:10:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-11-26 00:10:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-11-26 00:10:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:10:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:10:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2022-11-26 00:10:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2022-11-26 00:10:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-26 00:10:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-26 00:10:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-11-26 00:10:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-11-26 00:10:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:10:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:10:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-11-26 00:10:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-11-26 00:10:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-26 00:10:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-26 00:10:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:10:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:10:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-26 00:10:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-26 00:10:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:10:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2022-11-26 00:10:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2022-11-26 00:10:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2022-11-26 00:10:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2022-11-26 00:10:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2022-11-26 00:10:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2022-11-26 00:10:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-26 00:10:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-26 00:10:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:10:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:10:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2022-11-26 00:10:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2022-11-26 00:10:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_video_device [2022-11-26 00:10:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_video_device [2022-11-26 00:10:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-11-26 00:10:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-11-26 00:10:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:10:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:10:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:10:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:10:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2022-11-26 00:10:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2022-11-26 00:10:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-11-26 00:10:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-11-26 00:10:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:10:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2022-11-26 00:10:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2022-11-26 00:10:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:10:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:10:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:10:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2022-11-26 00:10:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2022-11-26 00:10:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:10:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:10:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2022-11-26 00:10:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2022-11-26 00:10:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2022-11-26 00:10:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2022-11-26 00:10:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2022-11-26 00:10:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2022-11-26 00:10:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-11-26 00:10:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-11-26 00:10:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 00:10:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 00:10:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2022-11-26 00:10:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2022-11-26 00:10:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2022-11-26 00:10:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2022-11-26 00:10:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:10:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:10:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2022-11-26 00:10:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2022-11-26 00:10:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2022-11-26 00:10:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2022-11-26 00:10:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:10:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:10:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:10:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-26 00:10:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-26 00:10:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-26 00:10:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-26 00:10:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-26 00:10:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-26 00:10:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:10:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:10:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-11-26 00:10:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-11-26 00:10:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2022-11-26 00:10:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2022-11-26 00:10:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:10:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2022-11-26 00:10:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2022-11-26 00:10:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:10:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:10:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:10:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:10:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:10:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:10:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2022-11-26 00:10:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2022-11-26 00:10:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2022-11-26 00:10:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2022-11-26 00:10:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-11-26 00:10:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-11-26 00:10:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:10:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:10:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2022-11-26 00:10:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2022-11-26 00:10:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-26 00:10:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-26 00:10:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2022-11-26 00:10:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2022-11-26 00:10:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2022-11-26 00:10:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2022-11-26 00:10:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2022-11-26 00:10:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2022-11-26 00:10:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-26 00:10:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-26 00:10:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:10:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:10:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-11-26 00:10:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-11-26 00:10:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2022-11-26 00:10:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2022-11-26 00:10:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:10:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:10:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2022-11-26 00:10:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2022-11-26 00:10:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2022-11-26 00:10:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2022-11-26 00:10:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:10:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:10:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2022-11-26 00:10:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2022-11-26 00:10:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:10:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:10:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2022-11-26 00:10:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2022-11-26 00:10:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2022-11-26 00:10:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2022-11-26 00:10:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2022-11-26 00:10:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2022-11-26 00:10:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2022-11-26 00:10:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2022-11-26 00:10:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2022-11-26 00:10:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2022-11-26 00:10:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:10:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:10:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2022-11-26 00:10:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2022-11-26 00:10:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-26 00:10:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-26 00:10:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-26 00:10:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-26 00:10:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:10:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:10:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:10:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:10:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-11-26 00:10:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-11-26 00:10:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-26 00:10:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-26 00:10:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:10:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-11-26 00:10:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-11-26 00:10:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:10:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:10:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:10:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:10:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:10:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:10:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:10:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:10:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-11-26 00:10:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-11-26 00:10:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:10:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:10:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-11-26 00:10:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-11-26 00:10:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:10:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:10:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2022-11-26 00:10:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2022-11-26 00:10:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2022-11-26 00:10:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2022-11-26 00:10:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2022-11-26 00:10:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2022-11-26 00:10:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:10:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:10:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:10:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:10:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2022-11-26 00:10:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2022-11-26 00:10:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:10:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:10:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:10:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2022-11-26 00:10:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2022-11-26 00:10:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2022-11-26 00:10:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2022-11-26 00:10:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2022-11-26 00:10:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2022-11-26 00:10:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2022-11-26 00:10:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2022-11-26 00:10:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2022-11-26 00:10:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2022-11-26 00:10:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_video_device [2022-11-26 00:10:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_video_device [2022-11-26 00:10:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:10:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:10:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2022-11-26 00:10:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2022-11-26 00:10:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:10:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:10:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-26 00:10:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-26 00:10:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2022-11-26 00:10:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2022-11-26 00:10:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2022-11-26 00:10:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2022-11-26 00:10:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:10:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:10:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:10:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:10:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2022-11-26 00:10:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2022-11-26 00:10:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:10:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:10:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:10:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:10:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:10:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:10:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:10:23,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:10:23,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:10:23,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:11:49,561 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:11:49,812 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:11:53,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:11:53,890 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:11:53,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:11:53 BoogieIcfgContainer [2022-11-26 00:11:53,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:11:53,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:11:53,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:11:53,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:11:53,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:10:12" (1/3) ... [2022-11-26 00:11:53,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7392af69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:11:53, skipping insertion in model container [2022-11-26 00:11:53,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:10:19" (2/3) ... [2022-11-26 00:11:53,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7392af69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:11:53, skipping insertion in model container [2022-11-26 00:11:53,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:11:53" (3/3) ... [2022-11-26 00:11:53,918 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-11-26 00:11:53,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:11:53,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:11:54,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:11:54,063 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;@70c62640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:11:54,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:11:54,082 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) [2022-11-26 00:11:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-26 00:11:54,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:54,120 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] [2022-11-26 00:11:54,121 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)] === [2022-11-26 00:11:54,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:54,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1554275335, now seen corresponding path program 1 times [2022-11-26 00:11:54,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:54,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849576312] [2022-11-26 00:11:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:54,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:11:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-11-26 00:11:56,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:11:56,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849576312] [2022-11-26 00:11:56,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849576312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:11:56,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:11:56,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:11:56,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780320953] [2022-11-26 00:11:56,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:11:56,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:11:56,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:56,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:11:56,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:11:56,418 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) [2022-11-26 00:11:58,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:02,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:07,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:09,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:13,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:16,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:18,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:20,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:22,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:24,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:26,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:28,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:30,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:32,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:34,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:36,420 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 [] [2022-11-26 00:12:36,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:36,517 INFO L93 Difference]: Finished difference Result 7183 states and 10643 transitions. [2022-11-26 00:12:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:36,525 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 [2022-11-26 00:12:36,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:36,636 INFO L225 Difference]: With dead ends: 7183 [2022-11-26 00:12:36,636 INFO L226 Difference]: Without dead ends: 4767 [2022-11-26 00:12:36,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:36,676 INFO L413 NwaCegarLoop]: 3783 mSDtfsCounter, 3345 mSDsluCounter, 3067 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 15 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 6850 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:36,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3356 Valid, 6850 Invalid, 1106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1081 Invalid, 10 Unknown, 0 Unchecked, 39.4s Time] [2022-11-26 00:12:36,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4767 states. [2022-11-26 00:12:37,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4767 to 4737. [2022-11-26 00:12:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4737 states, 3039 states have (on average 1.326423165514972) internal successors, (4031), 3072 states have internal predecessors, (4031), 1437 states have call successors, (1437), 259 states have call predecessors, (1437), 258 states have return successors, (1443), 1419 states have call predecessors, (1443), 1433 states have call successors, (1443) [2022-11-26 00:12:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 6911 transitions. [2022-11-26 00:12:37,304 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 6911 transitions. Word has length 445 [2022-11-26 00:12:37,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:37,311 INFO L495 AbstractCegarLoop]: Abstraction has 4737 states and 6911 transitions. [2022-11-26 00:12:37,311 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) [2022-11-26 00:12:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 6911 transitions. [2022-11-26 00:12:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-11-26 00:12:37,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:37,347 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] [2022-11-26 00:12:37,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:12:37,347 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)] === [2022-11-26 00:12:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:37,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2144436371, now seen corresponding path program 1 times [2022-11-26 00:12:37,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:37,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763058979] [2022-11-26 00:12:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-11-26 00:12:38,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:38,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763058979] [2022-11-26 00:12:38,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763058979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:38,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:38,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:12:38,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121223646] [2022-11-26 00:12:38,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:38,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:38,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:38,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:38,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:38,761 INFO L87 Difference]: Start difference. First operand 4737 states and 6911 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) [2022-11-26 00:12:41,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:44,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:46,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:53,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:55,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:12:56,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:59,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:02,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:04,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:07,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:09,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:11,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:13,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:15,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:17,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:19,470 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 [] [2022-11-26 00:13:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:19,584 INFO L93 Difference]: Finished difference Result 11699 states and 17036 transitions. [2022-11-26 00:13:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:19,585 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 [2022-11-26 00:13:19,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:19,652 INFO L225 Difference]: With dead ends: 11699 [2022-11-26 00:13:19,652 INFO L226 Difference]: Without dead ends: 7049 [2022-11-26 00:13:19,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:19,683 INFO L413 NwaCegarLoop]: 3771 mSDtfsCounter, 3099 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 13 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 6808 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:19,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3114 Valid, 6808 Invalid, 1128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1101 Invalid, 14 Unknown, 0 Unchecked, 40.3s Time] [2022-11-26 00:13:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7049 states. [2022-11-26 00:13:20,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7049 to 7012. [2022-11-26 00:13:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7012 states, 4547 states have (on average 1.3290081372333407) internal successors, (6043), 4597 states have internal predecessors, (6043), 2063 states have call successors, (2063), 400 states have call predecessors, (2063), 399 states have return successors, (2087), 2033 states have call predecessors, (2087), 2059 states have call successors, (2087) [2022-11-26 00:13:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7012 states to 7012 states and 10193 transitions. [2022-11-26 00:13:20,244 INFO L78 Accepts]: Start accepts. Automaton has 7012 states and 10193 transitions. Word has length 478 [2022-11-26 00:13:20,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:20,250 INFO L495 AbstractCegarLoop]: Abstraction has 7012 states and 10193 transitions. [2022-11-26 00:13:20,252 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) [2022-11-26 00:13:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 7012 states and 10193 transitions. [2022-11-26 00:13:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-11-26 00:13:20,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:20,274 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] [2022-11-26 00:13:20,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:13:20,275 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)] === [2022-11-26 00:13:20,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:20,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1256166670, now seen corresponding path program 1 times [2022-11-26 00:13:20,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:20,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400717541] [2022-11-26 00:13:20,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:20,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-11-26 00:13:21,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:21,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400717541] [2022-11-26 00:13:21,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400717541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:21,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:21,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:13:21,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030989485] [2022-11-26 00:13:21,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:21,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:13:21,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:21,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:13:21,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:21,458 INFO L87 Difference]: Start difference. First operand 7012 states and 10193 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) [2022-11-26 00:13:24,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:26,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:29,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:37,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:39,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:43,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:45,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:47,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:49,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:51,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:53,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:55,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:57,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:57,944 INFO L93 Difference]: Finished difference Result 20507 states and 29804 transitions. [2022-11-26 00:13:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:57,945 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 [2022-11-26 00:13:57,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:58,056 INFO L225 Difference]: With dead ends: 20507 [2022-11-26 00:13:58,057 INFO L226 Difference]: Without dead ends: 13582 [2022-11-26 00:13:58,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:58,100 INFO L413 NwaCegarLoop]: 3751 mSDtfsCounter, 3215 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 13 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3227 SdHoareTripleChecker+Valid, 6805 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:58,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3227 Valid, 6805 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1075 Invalid, 11 Unknown, 0 Unchecked, 35.6s Time] [2022-11-26 00:13:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13582 states. [2022-11-26 00:13:59,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13582 to 13544. [2022-11-26 00:13:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13544 states, 8823 states have (on average 1.330046469454834) internal successors, (11735), 8925 states have internal predecessors, (11735), 3935 states have call successors, (3935), 784 states have call predecessors, (3935), 783 states have return successors, (4000), 3872 states have call predecessors, (4000), 3931 states have call successors, (4000) [2022-11-26 00:13:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13544 states to 13544 states and 19670 transitions. [2022-11-26 00:13:59,248 INFO L78 Accepts]: Start accepts. Automaton has 13544 states and 19670 transitions. Word has length 477 [2022-11-26 00:13:59,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:59,251 INFO L495 AbstractCegarLoop]: Abstraction has 13544 states and 19670 transitions. [2022-11-26 00:13:59,251 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) [2022-11-26 00:13:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 13544 states and 19670 transitions. [2022-11-26 00:13:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-11-26 00:13:59,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:59,261 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] [2022-11-26 00:13:59,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:13:59,261 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)] === [2022-11-26 00:13:59,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:59,262 INFO L85 PathProgramCache]: Analyzing trace with hash -11450535, now seen corresponding path program 1 times [2022-11-26 00:13:59,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:59,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604492330] [2022-11-26 00:13:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:59,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-11-26 00:14:00,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:00,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604492330] [2022-11-26 00:14:00,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604492330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:00,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:00,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:14:00,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024946891] [2022-11-26 00:14:00,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:00,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:14:00,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:00,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:14:00,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:00,162 INFO L87 Difference]: Start difference. First operand 13544 states and 19670 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) [2022-11-26 00:14:02,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:03,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:06,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:08,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:11,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:13,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:19,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:23,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:25,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:28,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:30,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:32,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:34,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:36,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:38,536 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 [] [2022-11-26 00:14:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:38,646 INFO L93 Difference]: Finished difference Result 34237 states and 49675 transitions. [2022-11-26 00:14:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:14:38,646 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 [2022-11-26 00:14:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:38,785 INFO L225 Difference]: With dead ends: 34237 [2022-11-26 00:14:38,785 INFO L226 Difference]: Without dead ends: 20780 [2022-11-26 00:14:38,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:38,853 INFO L413 NwaCegarLoop]: 4144 mSDtfsCounter, 3130 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 13 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 7182 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:38,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 7182 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1170 Invalid, 11 Unknown, 0 Unchecked, 37.6s Time] [2022-11-26 00:14:38,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20780 states. [2022-11-26 00:14:40,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20780 to 20734. [2022-11-26 00:14:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20734 states, 13550 states have (on average 1.3307011070110701) internal successors, (18031), 13722 states have internal predecessors, (18031), 5942 states have call successors, (5942), 1238 states have call predecessors, (5942), 1239 states have return successors, (6049), 5831 states have call predecessors, (6049), 5938 states have call successors, (6049) [2022-11-26 00:14:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20734 states to 20734 states and 30022 transitions. [2022-11-26 00:14:40,602 INFO L78 Accepts]: Start accepts. Automaton has 20734 states and 30022 transitions. Word has length 479 [2022-11-26 00:14:40,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:40,603 INFO L495 AbstractCegarLoop]: Abstraction has 20734 states and 30022 transitions. [2022-11-26 00:14:40,603 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) [2022-11-26 00:14:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 20734 states and 30022 transitions. [2022-11-26 00:14:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-11-26 00:14:40,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:40,614 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] [2022-11-26 00:14:40,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:14:40,615 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)] === [2022-11-26 00:14:40,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash 19945434, now seen corresponding path program 1 times [2022-11-26 00:14:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:40,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890302542] [2022-11-26 00:14:40,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 7492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7492 trivial. 0 not checked. [2022-11-26 00:14:43,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:43,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890302542] [2022-11-26 00:14:43,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890302542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:43,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:43,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:14:43,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452880857] [2022-11-26 00:14:43,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:43,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:14:43,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:43,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:14:43,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:43,754 INFO L87 Difference]: Start difference. First operand 20734 states and 30022 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) [2022-11-26 00:14:46,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:48,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:52,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:55,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:56,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:58,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:01,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:06,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:10,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:12,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:15,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:17,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:19,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:21,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:23,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:25,358 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 [] [2022-11-26 00:15:25,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:25,512 INFO L93 Difference]: Finished difference Result 20825 states and 30128 transitions. [2022-11-26 00:15:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:15:25,513 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 [2022-11-26 00:15:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:25,654 INFO L225 Difference]: With dead ends: 20825 [2022-11-26 00:15:25,654 INFO L226 Difference]: Without dead ends: 20823 [2022-11-26 00:15:25,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:15:25,670 INFO L413 NwaCegarLoop]: 3101 mSDtfsCounter, 3338 mSDsluCounter, 6394 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 9495 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:25,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 9495 Invalid, 1616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1604 Invalid, 11 Unknown, 0 Unchecked, 40.9s Time] [2022-11-26 00:15:25,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20823 states. [2022-11-26 00:15:27,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20823 to 20814. [2022-11-26 00:15:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20814 states, 13595 states have (on average 1.3298271423317396) internal successors, (18079), 13769 states have internal predecessors, (18079), 5959 states have call successors, (5959), 1254 states have call predecessors, (5959), 1257 states have return successors, (6076), 5848 states have call predecessors, (6076), 5955 states have call successors, (6076) [2022-11-26 00:15:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20814 states to 20814 states and 30114 transitions. [2022-11-26 00:15:27,645 INFO L78 Accepts]: Start accepts. Automaton has 20814 states and 30114 transitions. Word has length 479 [2022-11-26 00:15:27,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:27,647 INFO L495 AbstractCegarLoop]: Abstraction has 20814 states and 30114 transitions. [2022-11-26 00:15:27,648 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) [2022-11-26 00:15:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 20814 states and 30114 transitions. [2022-11-26 00:15:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-11-26 00:15:27,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:27,658 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 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] [2022-11-26 00:15:27,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:15:27,659 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)] === [2022-11-26 00:15:27,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:27,659 INFO L85 PathProgramCache]: Analyzing trace with hash 78914884, now seen corresponding path program 1 times [2022-11-26 00:15:27,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:27,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188059497] [2022-11-26 00:15:27,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7495 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2022-11-26 00:15:30,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:30,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188059497] [2022-11-26 00:15:30,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188059497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:30,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:30,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:15:30,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400918976] [2022-11-26 00:15:30,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:30,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:15:30,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:30,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:15:30,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:30,749 INFO L87 Difference]: Start difference. First operand 20814 states and 30114 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) [2022-11-26 00:15:32,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:34,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:35,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:38,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:39,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:42,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:15:45,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:47,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:49,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:53,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:15:58,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:01,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:03,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:05,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:07,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:09,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:11,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:14,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:16,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:18,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:20,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:22,245 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 [] [2022-11-26 00:16:22,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:22,369 INFO L93 Difference]: Finished difference Result 21688 states and 31360 transitions. [2022-11-26 00:16:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:16:22,370 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 485 [2022-11-26 00:16:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:22,487 INFO L225 Difference]: With dead ends: 21688 [2022-11-26 00:16:22,487 INFO L226 Difference]: Without dead ends: 21686 [2022-11-26 00:16:22,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:16:22,498 INFO L413 NwaCegarLoop]: 3192 mSDtfsCounter, 3301 mSDsluCounter, 6803 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 1 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:22,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 9995 Invalid, 1708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1690 Invalid, 17 Unknown, 0 Unchecked, 50.7s Time] [2022-11-26 00:16:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21686 states. [2022-11-26 00:16:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21686 to 21652. [2022-11-26 00:16:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21652 states, 14177 states have (on average 1.3298300063483106) internal successors, (18853), 14365 states have internal predecessors, (18853), 6159 states have call successors, (6159), 1306 states have call predecessors, (6159), 1313 states have return successors, (6292), 6038 states have call predecessors, (6292), 6155 states have call successors, (6292) [2022-11-26 00:16:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21652 states to 21652 states and 31304 transitions. [2022-11-26 00:16:24,097 INFO L78 Accepts]: Start accepts. Automaton has 21652 states and 31304 transitions. Word has length 485 [2022-11-26 00:16:24,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:24,099 INFO L495 AbstractCegarLoop]: Abstraction has 21652 states and 31304 transitions. [2022-11-26 00:16:24,099 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) [2022-11-26 00:16:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 21652 states and 31304 transitions. [2022-11-26 00:16:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2022-11-26 00:16:24,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:24,108 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 3, 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] [2022-11-26 00:16:24,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:16:24,108 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)] === [2022-11-26 00:16:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:24,109 INFO L85 PathProgramCache]: Analyzing trace with hash 144291098, now seen corresponding path program 1 times [2022-11-26 00:16:24,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:24,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283468565] [2022-11-26 00:16:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7496 trivial. 0 not checked. [2022-11-26 00:16:26,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:26,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283468565] [2022-11-26 00:16:26,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283468565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:26,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:26,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:16:26,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239382152] [2022-11-26 00:16:26,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:26,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:16:26,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:26,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:16:26,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:16:26,444 INFO L87 Difference]: Start difference. First operand 21652 states and 31304 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) [2022-11-26 00:16:29,883 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 [] [2022-11-26 00:16:33,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:34,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:37,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:39,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:41,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:43,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:46,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:53,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:56,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:16:58,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:00,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:02,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:04,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:06,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:08,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:10,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:12,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:14,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:16,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:18,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:20,396 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 [] [2022-11-26 00:17:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:20,541 INFO L93 Difference]: Finished difference Result 21805 states and 31515 transitions. [2022-11-26 00:17:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:20,542 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 489 [2022-11-26 00:17:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:20,660 INFO L225 Difference]: With dead ends: 21805 [2022-11-26 00:17:20,660 INFO L226 Difference]: Without dead ends: 21803 [2022-11-26 00:17:20,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:17:20,676 INFO L413 NwaCegarLoop]: 3210 mSDtfsCounter, 3321 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 1 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 10052 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:20,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 10052 Invalid, 1723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1706 Invalid, 16 Unknown, 0 Unchecked, 53.2s Time] [2022-11-26 00:17:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21803 states. [2022-11-26 00:17:22,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21803 to 21788. [2022-11-26 00:17:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21788 states, 14268 states have (on average 1.3294785534062237) internal successors, (18969), 14461 states have internal predecessors, (18969), 6192 states have call successors, (6192), 1317 states have call predecessors, (6192), 1325 states have return successors, (6331), 6067 states have call predecessors, (6331), 6188 states have call successors, (6331) [2022-11-26 00:17:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21788 states to 21788 states and 31492 transitions. [2022-11-26 00:17:22,286 INFO L78 Accepts]: Start accepts. Automaton has 21788 states and 31492 transitions. Word has length 489 [2022-11-26 00:17:22,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:22,287 INFO L495 AbstractCegarLoop]: Abstraction has 21788 states and 31492 transitions. [2022-11-26 00:17:22,288 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) [2022-11-26 00:17:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21788 states and 31492 transitions. [2022-11-26 00:17:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-11-26 00:17:22,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:22,296 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:22,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:17:22,297 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)] === [2022-11-26 00:17:22,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:22,298 INFO L85 PathProgramCache]: Analyzing trace with hash 566775382, now seen corresponding path program 1 times [2022-11-26 00:17:22,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:22,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161902323] [2022-11-26 00:17:22,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:22,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7510 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7504 trivial. 0 not checked. [2022-11-26 00:17:24,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:24,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161902323] [2022-11-26 00:17:24,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161902323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:24,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:24,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:17:24,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078263871] [2022-11-26 00:17:24,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:24,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:17:24,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:24,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:17:24,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:24,300 INFO L87 Difference]: Start difference. First operand 21788 states and 31492 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) [2022-11-26 00:17:26,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:30,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:33,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:37,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:44,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:48,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:50,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:54,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:56,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:17:59,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:01,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:03,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:05,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:07,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:09,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:09,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:09,729 INFO L93 Difference]: Finished difference Result 42046 states and 61001 transitions. [2022-11-26 00:18:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:18:09,730 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, (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 494 [2022-11-26 00:18:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:09,929 INFO L225 Difference]: With dead ends: 42046 [2022-11-26 00:18:09,929 INFO L226 Difference]: Without dead ends: 42044 [2022-11-26 00:18:09,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:18:09,963 INFO L413 NwaCegarLoop]: 3876 mSDtfsCounter, 3199 mSDsluCounter, 10687 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 14563 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:09,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3213 Valid, 14563 Invalid, 2173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2160 Invalid, 10 Unknown, 0 Unchecked, 43.7s Time] [2022-11-26 00:18:10,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42044 states. [2022-11-26 00:18:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42044 to 41833. [2022-11-26 00:18:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41833 states, 27374 states have (on average 1.3314093665522029) internal successors, (36446), 27805 states have internal predecessors, (36446), 11931 states have call successors, (11931), 2550 states have call predecessors, (11931), 2525 states have return successors, (12362), 11593 states have call predecessors, (12362), 11923 states have call successors, (12362) [2022-11-26 00:18:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41833 states to 41833 states and 60739 transitions. [2022-11-26 00:18:12,546 INFO L78 Accepts]: Start accepts. Automaton has 41833 states and 60739 transitions. Word has length 494 [2022-11-26 00:18:12,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:12,547 INFO L495 AbstractCegarLoop]: Abstraction has 41833 states and 60739 transitions. [2022-11-26 00:18:12,547 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) [2022-11-26 00:18:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 41833 states and 60739 transitions. [2022-11-26 00:18:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-11-26 00:18:12,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:12,558 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] [2022-11-26 00:18:12,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:18:12,558 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)] === [2022-11-26 00:18:12,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash 290533978, now seen corresponding path program 1 times [2022-11-26 00:18:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:12,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093082653] [2022-11-26 00:18:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:12,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 7524 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7516 trivial. 0 not checked. [2022-11-26 00:18:14,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:14,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093082653] [2022-11-26 00:18:14,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093082653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:14,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:14,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:18:14,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429842538] [2022-11-26 00:18:14,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:14,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:18:14,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:14,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:18:14,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:18:14,583 INFO L87 Difference]: Start difference. First operand 41833 states and 60739 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) [2022-11-26 00:18:16,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:19,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:22,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:23,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:26,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:28,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:31,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:35,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:39,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:44,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:46,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:48,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:50,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:52,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:54,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:56,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:18:59,020 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 [] [2022-11-26 00:18:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:59,161 INFO L93 Difference]: Finished difference Result 41843 states and 60748 transitions. [2022-11-26 00:18:59,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:18:59,162 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 [2022-11-26 00:18:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:59,316 INFO L225 Difference]: With dead ends: 41843 [2022-11-26 00:18:59,316 INFO L226 Difference]: Without dead ends: 41839 [2022-11-26 00:18:59,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:18:59,335 INFO L413 NwaCegarLoop]: 3104 mSDtfsCounter, 3342 mSDsluCounter, 6390 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 9494 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:59,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3353 Valid, 9494 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1604 Invalid, 11 Unknown, 0 Unchecked, 42.7s Time] [2022-11-26 00:18:59,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41839 states. [2022-11-26 00:19:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41839 to 41839. [2022-11-26 00:19:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41839 states, 27379 states have (on average 1.3313123196610541) internal successors, (36450), 27809 states have internal predecessors, (36450), 11931 states have call successors, (11931), 2552 states have call predecessors, (11931), 2526 states have return successors, (12362), 11593 states have call predecessors, (12362), 11923 states have call successors, (12362) [2022-11-26 00:19:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41839 states to 41839 states and 60743 transitions. [2022-11-26 00:19:01,900 INFO L78 Accepts]: Start accepts. Automaton has 41839 states and 60743 transitions. Word has length 499 [2022-11-26 00:19:01,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:01,901 INFO L495 AbstractCegarLoop]: Abstraction has 41839 states and 60743 transitions. [2022-11-26 00:19:01,901 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) [2022-11-26 00:19:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41839 states and 60743 transitions. [2022-11-26 00:19:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-11-26 00:19:01,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:01,912 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] [2022-11-26 00:19:01,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:19:01,913 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)] === [2022-11-26 00:19:01,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:01,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1507390843, now seen corresponding path program 1 times [2022-11-26 00:19:01,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:01,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109120091] [2022-11-26 00:19:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-11-26 00:19:02,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:02,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109120091] [2022-11-26 00:19:02,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109120091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:02,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:02,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:19:02,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017782159] [2022-11-26 00:19:02,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:02,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:19:02,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:02,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:19:02,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:19:02,599 INFO L87 Difference]: Start difference. First operand 41839 states and 60743 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) [2022-11-26 00:19:05,805 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 [] [2022-11-26 00:19:09,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:15,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:18,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:21,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:25,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:27,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:30,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:32,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:34,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:36,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:38,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:40,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:41,096 INFO L93 Difference]: Finished difference Result 109882 states and 158929 transitions. [2022-11-26 00:19:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:19:41,096 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 [2022-11-26 00:19:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:41,501 INFO L225 Difference]: With dead ends: 109882 [2022-11-26 00:19:41,502 INFO L226 Difference]: Without dead ends: 68130 [2022-11-26 00:19:41,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:19:41,625 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 2971 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 6826 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:41,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 6826 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1119 Invalid, 10 Unknown, 0 Unchecked, 34.6s Time] [2022-11-26 00:19:41,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68130 states. [2022-11-26 00:19:45,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68130 to 67986. [2022-11-26 00:19:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67986 states, 44353 states have (on average 1.3239916127432192) internal successors, (58723), 45119 states have internal predecessors, (58723), 19291 states have call successors, (19291), 4377 states have call predecessors, (19291), 4339 states have return successors, (20044), 18689 states have call predecessors, (20044), 19283 states have call successors, (20044) [2022-11-26 00:19:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67986 states to 67986 states and 98058 transitions. [2022-11-26 00:19:45,811 INFO L78 Accepts]: Start accepts. Automaton has 67986 states and 98058 transitions. Word has length 503 [2022-11-26 00:19:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:45,812 INFO L495 AbstractCegarLoop]: Abstraction has 67986 states and 98058 transitions. [2022-11-26 00:19:45,813 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) [2022-11-26 00:19:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 67986 states and 98058 transitions. [2022-11-26 00:19:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2022-11-26 00:19:45,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:45,824 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:45,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:19:45,825 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)] === [2022-11-26 00:19:45,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1882422552, now seen corresponding path program 1 times [2022-11-26 00:19:45,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:45,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047933524] [2022-11-26 00:19:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:45,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7558 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7548 trivial. 0 not checked. [2022-11-26 00:19:48,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:48,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047933524] [2022-11-26 00:19:48,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047933524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:48,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:48,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:19:48,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703037118] [2022-11-26 00:19:48,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:48,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:19:48,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:48,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:19:48,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:48,661 INFO L87 Difference]: Start difference. First operand 67986 states and 98058 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-11-26 00:19:52,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:19:54,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:56,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:57,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:59,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:05,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:07,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:08,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:12,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:16,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:18,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:20,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:22,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:24,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:26,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:28,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:30,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:32,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:34,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:36,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:37,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:37,183 INFO L93 Difference]: Finished difference Result 67992 states and 98063 transitions. [2022-11-26 00:20:37,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:20:37,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 518 [2022-11-26 00:20:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:37,467 INFO L225 Difference]: With dead ends: 67992 [2022-11-26 00:20:37,467 INFO L226 Difference]: Without dead ends: 67927 [2022-11-26 00:20:37,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:20:37,496 INFO L413 NwaCegarLoop]: 3105 mSDtfsCounter, 3333 mSDsluCounter, 6396 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3345 SdHoareTripleChecker+Valid, 9501 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:37,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3345 Valid, 9501 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1605 Invalid, 10 Unknown, 0 Unchecked, 45.3s Time] [2022-11-26 00:20:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67927 states. [2022-11-26 00:20:41,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67927 to 67927. [2022-11-26 00:20:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67927 states, 44331 states have (on average 1.3230470776657417) internal successors, (58652), 45079 states have internal predecessors, (58652), 19262 states have call successors, (19262), 4368 states have call predecessors, (19262), 4331 states have return successors, (20019), 18679 states have call predecessors, (20019), 19258 states have call successors, (20019) [2022-11-26 00:20:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67927 states to 67927 states and 97933 transitions. [2022-11-26 00:20:41,729 INFO L78 Accepts]: Start accepts. Automaton has 67927 states and 97933 transitions. Word has length 518 [2022-11-26 00:20:41,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:41,730 INFO L495 AbstractCegarLoop]: Abstraction has 67927 states and 97933 transitions. [2022-11-26 00:20:41,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-11-26 00:20:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 67927 states and 97933 transitions. [2022-11-26 00:20:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-11-26 00:20:41,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:41,755 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] [2022-11-26 00:20:41,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:20:41,756 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)] === [2022-11-26 00:20:41,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:41,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1547836295, now seen corresponding path program 1 times [2022-11-26 00:20:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:41,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526535599] [2022-11-26 00:20:41,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 7956 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7949 trivial. 0 not checked. [2022-11-26 00:20:42,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:42,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526535599] [2022-11-26 00:20:42,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526535599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:42,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:42,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:42,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626785096] [2022-11-26 00:20:42,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:42,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:42,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:42,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:42,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:42,423 INFO L87 Difference]: Start difference. First operand 67927 states and 97933 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) [2022-11-26 00:20:46,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:20:48,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:52,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:00,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:02,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:05,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:11,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:13,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:17,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:19,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:23,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:25,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:27,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:29,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:29,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:29,616 INFO L93 Difference]: Finished difference Result 157649 states and 227629 transitions. [2022-11-26 00:21:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:21:29,616 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 [2022-11-26 00:21:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:30,236 INFO L225 Difference]: With dead ends: 157649 [2022-11-26 00:21:30,236 INFO L226 Difference]: Without dead ends: 95649 [2022-11-26 00:21:30,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:21:30,423 INFO L413 NwaCegarLoop]: 5766 mSDtfsCounter, 3167 mSDsluCounter, 3039 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 9 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 8805 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:30,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3180 Valid, 8805 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1530 Invalid, 13 Unknown, 0 Unchecked, 41.7s Time] [2022-11-26 00:21:30,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95649 states. [2022-11-26 00:21:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95649 to 95578. [2022-11-26 00:21:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95578 states, 62235 states have (on average 1.3216035992608661) internal successors, (82250), 63309 states have internal predecessors, (82250), 27233 states have call successors, (27233), 6168 states have call predecessors, (27233), 6107 states have return successors, (28314), 26388 states have call predecessors, (28314), 27229 states have call successors, (28314) [2022-11-26 00:21:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95578 states to 95578 states and 137797 transitions. [2022-11-26 00:21:37,119 INFO L78 Accepts]: Start accepts. Automaton has 95578 states and 137797 transitions. Word has length 533 [2022-11-26 00:21:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:37,120 INFO L495 AbstractCegarLoop]: Abstraction has 95578 states and 137797 transitions. [2022-11-26 00:21:37,120 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) [2022-11-26 00:21:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 95578 states and 137797 transitions. [2022-11-26 00:21:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-11-26 00:21:37,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:37,152 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] [2022-11-26 00:21:37,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:21:37,153 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)] === [2022-11-26 00:21:37,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2027133089, now seen corresponding path program 1 times [2022-11-26 00:21:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:37,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556712242] [2022-11-26 00:21:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7957 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7950 trivial. 0 not checked. [2022-11-26 00:21:38,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:38,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556712242] [2022-11-26 00:21:38,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556712242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:38,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:38,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:21:38,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112666002] [2022-11-26 00:21:38,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:38,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:21:38,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:38,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:21:38,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:21:38,176 INFO L87 Difference]: Start difference. First operand 95578 states and 137797 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) [2022-11-26 00:21:42,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:44,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:49,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:52,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:21:54,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:57,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:59,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:22:00,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:03,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:22:08,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:10,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:14,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:18,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:22:20,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:23,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:22:25,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:22:27,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:29,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:22:32,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:32,547 INFO L93 Difference]: Finished difference Result 224916 states and 324555 transitions. [2022-11-26 00:22:32,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:22:32,547 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 [2022-11-26 00:22:32,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:33,549 INFO L225 Difference]: With dead ends: 224916 [2022-11-26 00:22:33,550 INFO L226 Difference]: Without dead ends: 135283 [2022-11-26 00:22:34,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:22:34,061 INFO L413 NwaCegarLoop]: 5059 mSDtfsCounter, 3111 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 9 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3127 SdHoareTripleChecker+Valid, 8076 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:34,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3127 Valid, 8076 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1418 Invalid, 13 Unknown, 0 Unchecked, 46.0s Time] [2022-11-26 00:22:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135283 states.