./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/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 ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b --- 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 [2022-11-25 22:36:29,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:36:29,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:36:29,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:36:29,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:36:29,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:36:29,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:36:29,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:36:29,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:36:29,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:36:29,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:36:29,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:36:29,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:36:29,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:36:29,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:36:29,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:36:29,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:36:29,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:36:29,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:36:29,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:36:29,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:36:29,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:36:29,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:36:29,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:36:29,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:36:29,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:36:29,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:36:29,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:36:29,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:36:29,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:36:29,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:36:29,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:36:29,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:36:29,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:36:29,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:36:29,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:36:29,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:36:29,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:36:29,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:36:29,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:36:29,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:36:29,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:36:29,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:36:29,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:36:29,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:36:29,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:36:29,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:36:29,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:36:29,521 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:36:29,521 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:36:29,521 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:36:29,522 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:36:29,523 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:36:29,523 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:36:29,523 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:36:29,523 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:36:29,523 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:36:29,524 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:36:29,524 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:36:29,524 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:36:29,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:36:29,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:36:29,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:36:29,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:36:29,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:36:29,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:36:29,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:36:29,526 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:36:29,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:36:29,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:36:29,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:36:29,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:36:29,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:36:29,528 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:36:29,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:36:29,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:36:29,529 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:36:29,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:36:29,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:36:29,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:36:29,530 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b [2022-11-25 22:36:29,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:36:29,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:36:29,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:36:29,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:36:29,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:36:29,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-11-25 22:36:33,047 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:36:33,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:36:33,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-11-25 22:36:33,782 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/data/ad1ba5ac1/99aac4415db54d209a0fbad4c913a3ba/FLAG417099c8e [2022-11-25 22:36:33,805 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/data/ad1ba5ac1/99aac4415db54d209a0fbad4c913a3ba [2022-11-25 22:36:33,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:36:33,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:36:33,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:36:33,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:36:33,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:36:33,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:36:33" (1/1) ... [2022-11-25 22:36:33,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3735f70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:33, skipping insertion in model container [2022-11-25 22:36:33,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:36:33" (1/1) ... [2022-11-25 22:36:33,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:36:34,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:36:34,661 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:36:34,963 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:36:34,990 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:36:35,185 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:36:35,196 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:35,199 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:36:35,257 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-25 22:36:35,312 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,542 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,556 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-25 22:36:35,560 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,568 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-11-25 22:36:35,569 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-11-25 22:36:35,569 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-11-25 22:36:35,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,595 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,597 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-11-25 22:36:35,599 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:35,612 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,614 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:36:35,616 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,622 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,637 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,644 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:35,651 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,664 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-25 22:36:35,666 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,670 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-11-25 22:36:35,671 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-25 22:36:35,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:35,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:35,685 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,689 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,690 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:36:35,692 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-25 22:36:35,694 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-25 22:36:35,694 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-25 22:36:35,695 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:35,695 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:35,703 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,720 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:35,721 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-25 22:36:35,721 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:35,728 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,728 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-25 22:36:35,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,740 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-25 22:36:35,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,763 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,764 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:36:35,764 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:35,772 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,775 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:35,776 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:35,785 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:35,788 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:35,789 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:35,805 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,813 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:35,819 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,822 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-11-25 22:36:35,823 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-11-25 22:36:35,823 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:35,824 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:35,825 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:35,825 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:35,826 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:35,827 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:35,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:35,829 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:35,877 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:35,879 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:35,879 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:35,882 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:35,885 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,886 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-11-25 22:36:35,886 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:35,887 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:35,889 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,889 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-11-25 22:36:35,892 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:35,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:35,893 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-25 22:36:35,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:35,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:35,896 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-25 22:36:36,386 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:36:36,393 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-25 22:36:36,394 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-25 22:36:36,410 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:36:36,411 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:36:36,422 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:36:36,422 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:36,488 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:36:36,500 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:36:36,550 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:36,551 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:36,551 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:36,552 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:36:36,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,694 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,719 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-25 22:36:36,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,729 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-25 22:36:36,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,761 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:36,762 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:36,763 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:36:36,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,785 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:36:36,787 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:36:36,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,794 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,808 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:36,825 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-11-25 22:36:36,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,859 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,860 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,864 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,865 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,873 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,876 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,899 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,918 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-25 22:36:36,918 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-25 22:36:36,925 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-25 22:36:36,925 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-25 22:36:36,932 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-25 22:36:36,932 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-25 22:36:36,938 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-25 22:36:36,939 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-25 22:36:36,946 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,947 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-25 22:36:36,947 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-25 22:36:36,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,955 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,956 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-25 22:36:36,957 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-25 22:36:36,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,971 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:36,972 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:36,972 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:36,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,985 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:36,985 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:36,986 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:36,986 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:36,987 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-25 22:36:36,988 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:36,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,016 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:37,023 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-25 22:36:37,030 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-25 22:36:37,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,044 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,047 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-25 22:36:37,059 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-25 22:36:37,060 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-25 22:36:37,065 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:37,065 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:37,066 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:37,066 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:37,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,299 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,343 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:36:37,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,467 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 22:36:37,468 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:36:37,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,469 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 22:36:37,470 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,499 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-25 22:36:37,499 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:37,500 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:37,500 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-25 22:36:37,500 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-25 22:36:37,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,531 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-25 22:36:37,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,550 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,551 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:37,552 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 22:36:37,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,567 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-25 22:36:37,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,576 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,583 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:37,593 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-25 22:36:37,601 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:37,602 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:37,602 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:37,603 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:37,603 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:36:37,603 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:36:37,605 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:37,670 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 22:36:37,671 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:36:37,682 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:36:38,166 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2022-11-25 22:36:38,169 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2022-11-25 22:36:38,170 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2022-11-25 22:36:38,170 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2022-11-25 22:36:38,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:36:38,255 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:36:38,398 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:36:38,401 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:36:38,403 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:36:38,411 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:36:38,412 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:38,412 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:36:38,416 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-25 22:36:38,418 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,444 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-25 22:36:38,445 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,446 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-11-25 22:36:38,446 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-11-25 22:36:38,447 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-11-25 22:36:38,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,466 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,466 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-11-25 22:36:38,467 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:38,469 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,471 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:36:38,472 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,485 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,491 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,493 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:38,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,498 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-25 22:36:38,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,503 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-11-25 22:36:38,504 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-25 22:36:38,504 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:38,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:38,505 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,507 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:36:38,509 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-25 22:36:38,510 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-25 22:36:38,510 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-25 22:36:38,511 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:38,511 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:38,512 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,515 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:38,516 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-25 22:36:38,516 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:38,517 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,518 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-25 22:36:38,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,519 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-25 22:36:38,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,525 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,525 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:36:38,525 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:38,526 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,527 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:38,528 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:38,528 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,529 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 22:36:38,531 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:36:38,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,536 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:38,541 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,542 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-11-25 22:36:38,543 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-11-25 22:36:38,543 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:38,543 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:38,543 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:38,544 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:38,544 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-25 22:36:38,544 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:38,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:38,546 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:38,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:38,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:38,572 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:38,574 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:38,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,591 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-11-25 22:36:38,591 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-25 22:36:38,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:38,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,601 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-11-25 22:36:38,613 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:38,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:38,614 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-25 22:36:38,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:38,616 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,617 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-25 22:36:38,631 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:36:38,638 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-25 22:36:38,638 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-25 22:36:38,648 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:36:38,648 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:36:38,655 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:36:38,656 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:38,656 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:36:38,657 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:36:38,657 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:38,658 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:38,658 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:38,658 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:36:38,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,753 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-25 22:36:38,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,762 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-25 22:36:38,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,781 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-25 22:36:38,782 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:38,782 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:36:38,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,791 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:36:38,791 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:36:38,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,793 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,796 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:38,806 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-11-25 22:36:38,822 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,825 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,830 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,832 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,835 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,841 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,846 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,871 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,873 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-25 22:36:38,873 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-25 22:36:38,874 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-25 22:36:38,874 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-25 22:36:38,874 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-25 22:36:38,875 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-25 22:36:38,875 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-25 22:36:38,876 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-25 22:36:38,877 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,877 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-25 22:36:38,878 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-25 22:36:38,882 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,884 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,884 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-25 22:36:38,885 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-25 22:36:38,885 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,890 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:38,891 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:38,891 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:38,896 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,899 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,901 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:38,901 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:38,901 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:38,901 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:38,902 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-25 22:36:38,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,916 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,917 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:38,918 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-25 22:36:38,922 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-25 22:36:38,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:38,933 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-25 22:36:38,948 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-25 22:36:38,948 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-25 22:36:38,950 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:38,950 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:38,951 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:38,951 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:39,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,076 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:36:39,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,088 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 22:36:39,089 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:36:39,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,090 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 22:36:39,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,102 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-25 22:36:39,102 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-11-25 22:36:39,103 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-11-25 22:36:39,103 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-25 22:36:39,103 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-11-25 22:36:39,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,116 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-25 22:36:39,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,120 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:39,120 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 22:36:39,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,125 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-25 22:36:39,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,132 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:39,137 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-25 22:36:39,139 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:39,139 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:39,139 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:39,140 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:36:39,140 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:36:39,140 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:36:39,141 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:39,143 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 22:36:39,144 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:36:39,144 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:36:39,160 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2022-11-25 22:36:39,161 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2022-11-25 22:36:39,161 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2022-11-25 22:36:39,162 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_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2022-11-25 22:36:39,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:36:39,348 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:36:39,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39 WrapperNode [2022-11-25 22:36:39,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:36:39,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:36:39,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:36:39,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:36:39,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:39,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,110 INFO L138 Inliner]: procedures = 487, calls = 6591, calls flagged for inlining = 235, calls inlined = 218, statements flattened = 12068 [2022-11-25 22:36:40,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:36:40,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:36:40,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:36:40,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:36:40,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:36:40,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:36:40,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:36:40,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:36:40,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (1/1) ... [2022-11-25 22:36:40,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:36:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:41,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:36:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce60e8c-2c3c-48ec-8b4d-5ccdbb17932e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:36:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2022-11-25 22:36:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2022-11-25 22:36:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-11-25 22:36:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-11-25 22:36:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE___0 [2022-11-25 22:36:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE___0 [2022-11-25 22:36:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2022-11-25 22:36:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2022-11-25 22:36:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:36:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:36:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-11-25 22:36:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-11-25 22:36:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:36:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:36:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-11-25 22:36:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-11-25 22:36:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-11-25 22:36:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-11-25 22:36:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2022-11-25 22:36:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2022-11-25 22:36:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:36:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:36:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:36:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:36:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2022-11-25 22:36:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2022-11-25 22:36:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2022-11-25 22:36:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2022-11-25 22:36:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2022-11-25 22:36:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2022-11-25 22:36:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-11-25 22:36:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-11-25 22:36:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-11-25 22:36:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-11-25 22:36:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-11-25 22:36:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-11-25 22:36:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2022-11-25 22:36:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2022-11-25 22:36:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2022-11-25 22:36:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2022-11-25 22:36:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2022-11-25 22:36:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2022-11-25 22:36:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2022-11-25 22:36:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2022-11-25 22:36:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-11-25 22:36:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-11-25 22:36:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2022-11-25 22:36:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2022-11-25 22:36:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_54 [2022-11-25 22:36:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_54 [2022-11-25 22:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-11-25 22:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-11-25 22:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 22:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 22:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2022-11-25 22:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2022-11-25 22:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-25 22:36:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-25 22:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-11-25 22:36:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-11-25 22:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:36:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-11-25 22:36:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-11-25 22:36:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 22:36:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 22:36:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-25 22:36:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-25 22:36:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:36:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2022-11-25 22:36:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2022-11-25 22:36:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2022-11-25 22:36:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2022-11-25 22:36:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2022-11-25 22:36:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2022-11-25 22:36:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2022-11-25 22:36:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2022-11-25 22:36:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 22:36:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 22:36:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_saa7146_dev [2022-11-25 22:36:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_saa7146_dev [2022-11-25 22:36:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2022-11-25 22:36:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2022-11-25 22:36:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-11-25 22:36:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-11-25 22:36:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 22:36:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 22:36:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 22:36:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 22:36:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2022-11-25 22:36:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2022-11-25 22:36:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-11-25 22:36:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-11-25 22:36:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:36:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2022-11-25 22:36:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2022-11-25 22:36:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:36:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:36:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:36:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2022-11-25 22:36:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2022-11-25 22:36:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:36:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:36:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2022-11-25 22:36:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2022-11-25 22:36:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2022-11-25 22:36:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2022-11-25 22:36:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2022-11-25 22:36:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2022-11-25 22:36:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-11-25 22:36:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-11-25 22:36:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 22:36:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 22:36:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2022-11-25 22:36:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2022-11-25 22:36:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2022-11-25 22:36:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2022-11-25 22:36:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-11-25 22:36:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-11-25 22:36:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2022-11-25 22:36:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2022-11-25 22:36:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 22:36:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 22:36:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2022-11-25 22:36:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2022-11-25 22:36:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:36:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 22:36:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 22:36:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-25 22:36:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-25 22:36:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 22:36:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 22:36:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-25 22:36:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-25 22:36:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-25 22:36:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-25 22:36:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-11-25 22:36:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-11-25 22:36:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2022-11-25 22:36:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2022-11-25 22:36:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:36:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2022-11-25 22:36:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2022-11-25 22:36:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:36:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:36:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:36:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:36:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:36:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:36:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2022-11-25 22:36:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2022-11-25 22:36:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-11-25 22:36:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-11-25 22:36:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 22:36:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 22:36:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2022-11-25 22:36:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2022-11-25 22:36:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 22:36:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 22:36:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-25 22:36:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-25 22:36:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2022-11-25 22:36:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2022-11-25 22:36:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2022-11-25 22:36:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2022-11-25 22:36:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2022-11-25 22:36:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2022-11-25 22:36:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-25 22:36:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-25 22:36:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 22:36:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 22:36:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-11-25 22:36:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-11-25 22:36:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2022-11-25 22:36:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2022-11-25 22:36:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:36:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:36:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2022-11-25 22:36:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2022-11-25 22:36:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2022-11-25 22:36:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2022-11-25 22:36:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:36:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:36:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:36:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:36:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2022-11-25 22:36:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2022-11-25 22:36:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 22:36:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 22:36:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2022-11-25 22:36:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2022-11-25 22:36:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_saa7146_dev [2022-11-25 22:36:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_saa7146_dev [2022-11-25 22:36:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-25 22:36:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-25 22:36:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2022-11-25 22:36:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2022-11-25 22:36:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 22:36:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 22:36:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2022-11-25 22:36:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2022-11-25 22:36:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2022-11-25 22:36:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2022-11-25 22:36:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:36:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:36:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2022-11-25 22:36:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2022-11-25 22:36:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 22:36:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 22:36:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 22:36:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 22:36:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:36:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:36:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:36:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:36:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-11-25 22:36:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-11-25 22:36:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 22:36:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 22:36:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:36:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-11-25 22:36:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-11-25 22:36:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 22:36:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 22:36:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 22:36:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 22:36:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:36:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:36:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:36:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:36:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-11-25 22:36:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-11-25 22:36:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 22:36:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 22:36:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-11-25 22:36:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-11-25 22:36:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2022-11-25 22:36:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2022-11-25 22:36:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-11-25 22:36:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-11-25 22:36:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2022-11-25 22:36:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2022-11-25 22:36:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2022-11-25 22:36:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2022-11-25 22:36:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE___0 [2022-11-25 22:36:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE___0 [2022-11-25 22:36:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:36:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:36:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2022-11-25 22:36:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2022-11-25 22:36:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:36:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:36:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:36:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2022-11-25 22:36:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2022-11-25 22:36:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2022-11-25 22:36:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2022-11-25 22:36:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2022-11-25 22:36:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2022-11-25 22:36:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2022-11-25 22:36:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2022-11-25 22:36:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2022-11-25 22:36:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2022-11-25 22:36:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 22:36:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 22:36:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2022-11-25 22:36:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2022-11-25 22:36:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:36:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:36:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-25 22:36:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-25 22:36:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2022-11-25 22:36:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2022-11-25 22:36:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2022-11-25 22:36:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2022-11-25 22:36:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:36:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:36:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2022-11-25 22:36:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2022-11-25 22:36:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 22:36:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 22:36:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:36:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 22:36:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 22:36:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 22:36:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 22:36:42,971 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:36:42,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:36:43,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:37:56,164 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 22:37:56,331 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:37:59,638 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:37:59,639 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 22:37:59,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:59 BoogieIcfgContainer [2022-11-25 22:37:59,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:37:59,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:37:59,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:37:59,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:37:59,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:36:33" (1/3) ... [2022-11-25 22:37:59,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4beba0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:59, skipping insertion in model container [2022-11-25 22:37:59,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:39" (2/3) ... [2022-11-25 22:37:59,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4beba0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:59, skipping insertion in model container [2022-11-25 22:37:59,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:59" (3/3) ... [2022-11-25 22:37:59,658 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-11-25 22:37:59,677 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:37:59,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 22:37:59,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:37:59,803 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;@621ace6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:37:59,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 22:37:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 2523 states, 1592 states have (on average 1.329145728643216) internal successors, (2116), 1609 states have internal predecessors, (2116), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) [2022-11-25 22:37:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-25 22:37:59,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:59,872 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] [2022-11-25 22:37:59,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:59,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:59,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1979757743, now seen corresponding path program 1 times [2022-11-25 22:37:59,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:59,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625337658] [2022-11-25 22:37:59,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-11-25 22:38:01,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:01,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625337658] [2022-11-25 22:38:01,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625337658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:01,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:01,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:38:01,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698280014] [2022-11-25 22:38:01,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:01,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:01,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:01,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:01,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:01,584 INFO L87 Difference]: Start difference. First operand has 2523 states, 1592 states have (on average 1.329145728643216) internal successors, (2116), 1609 states have internal predecessors, (2116), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) 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) [2022-11-25 22:38:07,558 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 [] [2022-11-25 22:38:11,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:14,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:16,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:19,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:21,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:23,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:25,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:27,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:29,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:31,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:33,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:35,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:37,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:37,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:37,127 INFO L93 Difference]: Finished difference Result 7214 states and 10747 transitions. [2022-11-25 22:38:37,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:37,130 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 [2022-11-25 22:38:37,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:37,201 INFO L225 Difference]: With dead ends: 7214 [2022-11-25 22:38:37,201 INFO L226 Difference]: Without dead ends: 4765 [2022-11-25 22:38:37,225 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 [2022-11-25 22:38:37,233 INFO L413 NwaCegarLoop]: 3830 mSDtfsCounter, 3294 mSDsluCounter, 3117 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 15 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 6947 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:37,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 6947 Invalid, 1104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1079 Invalid, 10 Unknown, 0 Unchecked, 35.0s Time] [2022-11-25 22:38:37,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2022-11-25 22:38:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 4755. [2022-11-25 22:38:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4755 states, 3029 states have (on average 1.3258501155496865) internal successors, (4016), 3063 states have internal predecessors, (4016), 1458 states have call successors, (1458), 266 states have call predecessors, (1458), 265 states have return successors, (1464), 1439 states have call predecessors, (1464), 1454 states have call successors, (1464) [2022-11-25 22:38:37,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4755 states and 6938 transitions. [2022-11-25 22:38:37,683 INFO L78 Accepts]: Start accepts. Automaton has 4755 states and 6938 transitions. Word has length 445 [2022-11-25 22:38:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:37,687 INFO L495 AbstractCegarLoop]: Abstraction has 4755 states and 6938 transitions. [2022-11-25 22:38:37,688 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) [2022-11-25 22:38:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4755 states and 6938 transitions. [2022-11-25 22:38:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-11-25 22:38:37,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:37,704 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, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:37,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:38:37,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:38:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash 638808667, now seen corresponding path program 1 times [2022-11-25 22:38:37,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:37,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757626813] [2022-11-25 22:38:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-11-25 22:38:38,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:38,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757626813] [2022-11-25 22:38:38,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757626813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:38,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:38,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:38:38,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999605505] [2022-11-25 22:38:38,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:38,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:38,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:38,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:38,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:38,891 INFO L87 Difference]: Start difference. First operand 4755 states and 6938 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-25 22:38:40,585 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 [] [2022-11-25 22:38:47,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:51,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:53,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:38:56,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:58,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:01,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:03,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:05,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:07,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:09,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:11,601 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 [] [2022-11-25 22:39:11,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:11,695 INFO L93 Difference]: Finished difference Result 13933 states and 20445 transitions. [2022-11-25 22:39:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:11,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 451 [2022-11-25 22:39:11,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:11,767 INFO L225 Difference]: With dead ends: 13933 [2022-11-25 22:39:11,767 INFO L226 Difference]: Without dead ends: 9265 [2022-11-25 22:39:11,794 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 [2022-11-25 22:39:11,795 INFO L413 NwaCegarLoop]: 3858 mSDtfsCounter, 3355 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:11,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3363 Valid, 7012 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1033 Invalid, 10 Unknown, 0 Unchecked, 32.4s Time] [2022-11-25 22:39:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9265 states. [2022-11-25 22:39:12,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9265 to 9226. [2022-11-25 22:39:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 5899 states have (on average 1.3293778606543483) internal successors, (7842), 5966 states have internal predecessors, (7842), 2802 states have call successors, (2802), 527 states have call predecessors, (2802), 522 states have return successors, (2946), 2756 states have call predecessors, (2946), 2798 states have call successors, (2946) [2022-11-25 22:39:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 13590 transitions. [2022-11-25 22:39:12,395 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 13590 transitions. Word has length 451 [2022-11-25 22:39:12,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:12,397 INFO L495 AbstractCegarLoop]: Abstraction has 9226 states and 13590 transitions. [2022-11-25 22:39:12,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-25 22:39:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 13590 transitions. [2022-11-25 22:39:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-11-25 22:39:12,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:12,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:12,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:39:12,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:39:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1796507183, now seen corresponding path program 1 times [2022-11-25 22:39:12,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:12,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406844180] [2022-11-25 22:39:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-11-25 22:39:13,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:13,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406844180] [2022-11-25 22:39:13,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406844180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:13,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:13,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:13,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909729005] [2022-11-25 22:39:13,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:13,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:13,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:13,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:13,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:13,216 INFO L87 Difference]: Start difference. First operand 9226 states and 13590 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-25 22:39:15,548 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 [] [2022-11-25 22:39:17,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:20,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:24,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:27,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:30,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:32,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:34,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:36,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:38,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:40,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:42,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:44,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:46,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:48,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:50,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:39:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:50,575 INFO L93 Difference]: Finished difference Result 22548 states and 33157 transitions. [2022-11-25 22:39:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:50,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 463 [2022-11-25 22:39:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:50,673 INFO L225 Difference]: With dead ends: 22548 [2022-11-25 22:39:50,673 INFO L226 Difference]: Without dead ends: 13409 [2022-11-25 22:39:50,724 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 [2022-11-25 22:39:50,725 INFO L413 NwaCegarLoop]: 3791 mSDtfsCounter, 3198 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 13 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 6878 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:50,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3213 Valid, 6878 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1082 Invalid, 12 Unknown, 0 Unchecked, 36.9s Time] [2022-11-25 22:39:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13409 states. [2022-11-25 22:39:51,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13409 to 13371. [2022-11-25 22:39:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13371 states, 8605 states have (on average 1.3295758280069727) internal successors, (11441), 8704 states have internal predecessors, (11441), 3983 states have call successors, (3983), 787 states have call predecessors, (3983), 780 states have return successors, (4189), 3911 states have call predecessors, (4189), 3979 states have call successors, (4189) [2022-11-25 22:39:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13371 states to 13371 states and 19613 transitions. [2022-11-25 22:39:51,980 INFO L78 Accepts]: Start accepts. Automaton has 13371 states and 19613 transitions. Word has length 463 [2022-11-25 22:39:51,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:51,982 INFO L495 AbstractCegarLoop]: Abstraction has 13371 states and 19613 transitions. [2022-11-25 22:39:51,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-25 22:39:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 13371 states and 19613 transitions. [2022-11-25 22:39:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-11-25 22:39:51,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:51,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:51,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:39:51,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:39:51,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:51,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1098611497, now seen corresponding path program 1 times [2022-11-25 22:39:51,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:51,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226031438] [2022-11-25 22:39:51,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:51,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-11-25 22:39:52,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:52,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226031438] [2022-11-25 22:39:52,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226031438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:52,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:52,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:52,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325120086] [2022-11-25 22:39:52,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:52,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:52,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:52,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:52,619 INFO L87 Difference]: Start difference. First operand 13371 states and 19613 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-25 22:39:55,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:56,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:00,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:05,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:09,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:11,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:14,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:16,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:18,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:20,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:22,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:24,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:26,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:28,767 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 [] [2022-11-25 22:40:28,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:28,858 INFO L93 Difference]: Finished difference Result 34258 states and 50155 transitions. [2022-11-25 22:40:28,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:40:28,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 469 [2022-11-25 22:40:28,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:28,972 INFO L225 Difference]: With dead ends: 34258 [2022-11-25 22:40:28,973 INFO L226 Difference]: Without dead ends: 20974 [2022-11-25 22:40:29,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:40:29,032 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 3186 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 13 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3198 SdHoareTripleChecker+Valid, 7341 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:29,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3198 Valid, 7341 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1189 Invalid, 11 Unknown, 0 Unchecked, 35.4s Time] [2022-11-25 22:40:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20974 states. [2022-11-25 22:40:30,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20974 to 20935. [2022-11-25 22:40:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20935 states, 13539 states have (on average 1.3303050446857227) internal successors, (18011), 13702 states have internal predecessors, (18011), 6135 states have call successors, (6135), 1269 states have call predecessors, (6135), 1258 states have return successors, (6421), 6011 states have call predecessors, (6421), 6131 states have call successors, (6421) [2022-11-25 22:40:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20935 states to 20935 states and 30567 transitions. [2022-11-25 22:40:30,476 INFO L78 Accepts]: Start accepts. Automaton has 20935 states and 30567 transitions. Word has length 469 [2022-11-25 22:40:30,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:30,477 INFO L495 AbstractCegarLoop]: Abstraction has 20935 states and 30567 transitions. [2022-11-25 22:40:30,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-25 22:40:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 20935 states and 30567 transitions. [2022-11-25 22:40:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-11-25 22:40:30,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:30,491 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] [2022-11-25 22:40:30,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:40:30,492 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:40:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:30,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1636567622, now seen corresponding path program 1 times [2022-11-25 22:40:30,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:30,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617767607] [2022-11-25 22:40:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 7492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7492 trivial. 0 not checked. [2022-11-25 22:40:32,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:32,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617767607] [2022-11-25 22:40:32,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617767607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:32,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:32,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:40:32,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096213333] [2022-11-25 22:40:32,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:32,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:40:32,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:32,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:40:32,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:32,273 INFO L87 Difference]: Start difference. First operand 20935 states and 30567 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) [2022-11-25 22:40:36,930 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 [] [2022-11-25 22:40:42,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:45,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:47,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:52,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:40:55,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:57,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:59,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:01,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:02,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:04,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:05,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:07,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:09,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:12,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:12,102 INFO L93 Difference]: Finished difference Result 23013 states and 33542 transitions. [2022-11-25 22:41:12,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:41:12,103 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 [2022-11-25 22:41:12,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:12,210 INFO L225 Difference]: With dead ends: 23013 [2022-11-25 22:41:12,210 INFO L226 Difference]: Without dead ends: 23011 [2022-11-25 22:41:12,223 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 [2022-11-25 22:41:12,224 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 3372 mSDsluCounter, 6939 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 10196 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:12,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3394 Valid, 10196 Invalid, 1720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1708 Invalid, 11 Unknown, 0 Unchecked, 39.1s Time] [2022-11-25 22:41:12,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23011 states. [2022-11-25 22:41:13,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23011 to 22986. [2022-11-25 22:41:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22986 states, 15026 states have (on average 1.3338879275921736) internal successors, (20043), 15201 states have internal predecessors, (20043), 6575 states have call successors, (6575), 1392 states have call predecessors, (6575), 1382 states have return successors, (6872), 6440 states have call predecessors, (6872), 6571 states have call successors, (6872) [2022-11-25 22:41:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22986 states to 22986 states and 33490 transitions. [2022-11-25 22:41:13,946 INFO L78 Accepts]: Start accepts. Automaton has 22986 states and 33490 transitions. Word has length 479 [2022-11-25 22:41:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:13,947 INFO L495 AbstractCegarLoop]: Abstraction has 22986 states and 33490 transitions. [2022-11-25 22:41:13,947 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) [2022-11-25 22:41:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 22986 states and 33490 transitions. [2022-11-25 22:41:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-11-25 22:41:13,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:13,962 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] [2022-11-25 22:41:13,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:41:13,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:41:13,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:13,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1268225383, now seen corresponding path program 1 times [2022-11-25 22:41:13,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:13,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652209036] [2022-11-25 22:41:13,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:13,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7495 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2022-11-25 22:41:15,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:15,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652209036] [2022-11-25 22:41:15,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652209036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:15,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:15,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:41:15,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207062577] [2022-11-25 22:41:15,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:15,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:41:15,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:15,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:41:15,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:15,433 INFO L87 Difference]: Start difference. First operand 22986 states and 33490 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) [2022-11-25 22:41:22,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:26,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:31,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:33,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:34,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:36,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:39,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:42,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:45,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:47,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:51,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:52,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:54,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:56,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:41:58,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:01,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:03,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:05,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:07,147 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 [] [2022-11-25 22:42:07,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:07,265 INFO L93 Difference]: Finished difference Result 45747 states and 66648 transitions. [2022-11-25 22:42:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:42:07,266 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 [2022-11-25 22:42:07,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:07,556 INFO L225 Difference]: With dead ends: 45747 [2022-11-25 22:42:07,556 INFO L226 Difference]: Without dead ends: 45745 [2022-11-25 22:42:07,574 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 [2022-11-25 22:42:07,575 INFO L413 NwaCegarLoop]: 3847 mSDtfsCounter, 3392 mSDsluCounter, 10677 mSDsCounter, 0 mSdLazyCounter, 2109 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 14524 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2109 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:07,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3412 Valid, 14524 Invalid, 2125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2109 Invalid, 14 Unknown, 0 Unchecked, 50.4s Time] [2022-11-25 22:42:07,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45745 states. [2022-11-25 22:42:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45745 to 45733. [2022-11-25 22:42:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45733 states, 29913 states have (on average 1.334469962892388) internal successors, (39918), 30260 states have internal predecessors, (39918), 13058 states have call successors, (13058), 2779 states have call predecessors, (13058), 2759 states have return successors, (13661), 12789 states have call predecessors, (13661), 13050 states have call successors, (13661) [2022-11-25 22:42:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45733 states to 45733 states and 66637 transitions. [2022-11-25 22:42:10,893 INFO L78 Accepts]: Start accepts. Automaton has 45733 states and 66637 transitions. Word has length 485 [2022-11-25 22:42:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:10,894 INFO L495 AbstractCegarLoop]: Abstraction has 45733 states and 66637 transitions. [2022-11-25 22:42:10,894 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) [2022-11-25 22:42:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 45733 states and 66637 transitions. [2022-11-25 22:42:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-11-25 22:42:10,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:10,904 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 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] [2022-11-25 22:42:10,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:42:10,905 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:42:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:10,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1995499921, now seen corresponding path program 1 times [2022-11-25 22:42:10,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:10,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822841787] [2022-11-25 22:42:10,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:10,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 7312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7312 trivial. 0 not checked. [2022-11-25 22:42:11,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:11,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822841787] [2022-11-25 22:42:11,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822841787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:11,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:11,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:42:11,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229100694] [2022-11-25 22:42:11,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:11,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:42:11,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:11,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:42:11,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:42:11,855 INFO L87 Difference]: Start difference. First operand 45733 states and 66637 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-25 22:42:13,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:21,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:24,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:26,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:28,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:32,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:34,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:37,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:39,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:42,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:43,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:45,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:47,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:42:49,850 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 [] [2022-11-25 22:42:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:50,219 INFO L93 Difference]: Finished difference Result 122520 states and 178599 transitions. [2022-11-25 22:42:50,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:42:50,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 487 [2022-11-25 22:42:50,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:50,637 INFO L225 Difference]: With dead ends: 122520 [2022-11-25 22:42:50,637 INFO L226 Difference]: Without dead ends: 76874 [2022-11-25 22:42:50,817 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 [2022-11-25 22:42:50,818 INFO L413 NwaCegarLoop]: 4031 mSDtfsCounter, 3180 mSDsluCounter, 3109 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 7140 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:50,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 7140 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1098 Invalid, 11 Unknown, 0 Unchecked, 35.6s Time] [2022-11-25 22:42:50,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76874 states. [2022-11-25 22:42:54,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76874 to 76771. [2022-11-25 22:42:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76771 states, 50060 states have (on average 1.3324410707151417) internal successors, (66702), 50679 states have internal predecessors, (66702), 22047 states have call successors, (22047), 4695 states have call predecessors, (22047), 4661 states have return successors, (23138), 21546 states have call predecessors, (23138), 22039 states have call successors, (23138) [2022-11-25 22:42:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76771 states to 76771 states and 111887 transitions. [2022-11-25 22:42:55,309 INFO L78 Accepts]: Start accepts. Automaton has 76771 states and 111887 transitions. Word has length 487 [2022-11-25 22:42:55,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:55,310 INFO L495 AbstractCegarLoop]: Abstraction has 76771 states and 111887 transitions. [2022-11-25 22:42:55,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-25 22:42:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 76771 states and 111887 transitions. [2022-11-25 22:42:55,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2022-11-25 22:42:55,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:55,318 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] [2022-11-25 22:42:55,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:42:55,319 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:42:55,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:55,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1793918234, now seen corresponding path program 1 times [2022-11-25 22:42:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:55,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38323735] [2022-11-25 22:42:55,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7496 trivial. 0 not checked. [2022-11-25 22:42:57,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:57,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38323735] [2022-11-25 22:42:57,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38323735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:57,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:57,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:42:57,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438858883] [2022-11-25 22:42:57,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:57,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:42:57,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:57,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:42:57,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:57,124 INFO L87 Difference]: Start difference. First operand 76771 states and 111887 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) [2022-11-25 22:43:01,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:03,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:05,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:09,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:13,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:15,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:17,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:20,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:22,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:26,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:28,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:32,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:34,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:36,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:38,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:40,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:43,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:43:46,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:43:46,026 INFO L93 Difference]: Finished difference Result 149055 states and 219634 transitions. [2022-11-25 22:43:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:43:46,027 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 [2022-11-25 22:43:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:43:47,020 INFO L225 Difference]: With dead ends: 149055 [2022-11-25 22:43:47,020 INFO L226 Difference]: Without dead ends: 149053 [2022-11-25 22:43:47,088 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 [2022-11-25 22:43:47,089 INFO L413 NwaCegarLoop]: 3845 mSDtfsCounter, 3385 mSDsluCounter, 10597 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 14442 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:43:47,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 14442 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2072 Invalid, 12 Unknown, 0 Unchecked, 44.3s Time] [2022-11-25 22:43:47,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149053 states. [2022-11-25 22:43:55,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149053 to 148934. [2022-11-25 22:43:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148934 states, 97574 states have (on average 1.338215098284379) internal successors, (130575), 98930 states have internal predecessors, (130575), 42276 states have call successors, (42276), 9265 states have call predecessors, (42276), 9081 states have return successors, (46664), 40987 states have call predecessors, (46664), 42260 states have call successors, (46664) [2022-11-25 22:43:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148934 states to 148934 states and 219515 transitions. [2022-11-25 22:43:56,535 INFO L78 Accepts]: Start accepts. Automaton has 148934 states and 219515 transitions. Word has length 489 [2022-11-25 22:43:56,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:56,536 INFO L495 AbstractCegarLoop]: Abstraction has 148934 states and 219515 transitions. [2022-11-25 22:43:56,536 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) [2022-11-25 22:43:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 148934 states and 219515 transitions. [2022-11-25 22:43:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-11-25 22:43:56,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:56,545 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] [2022-11-25 22:43:56,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:43:56,546 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:43:56,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1033087373, now seen corresponding path program 1 times [2022-11-25 22:43:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:56,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166982964] [2022-11-25 22:43:56,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:56,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:43:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:58,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7510 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7504 trivial. 0 not checked. [2022-11-25 22:43:58,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:43:58,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166982964] [2022-11-25 22:43:58,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166982964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:43:58,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:43:58,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:43:58,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344532023] [2022-11-25 22:43:58,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:43:58,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:43:58,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:43:58,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:43:58,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:43:58,165 INFO L87 Difference]: Start difference. First operand 148934 states and 219515 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) [2022-11-25 22:44:03,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:07,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:10,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:12,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:14,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:18,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:20,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:23,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:25,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:29,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:33,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:36,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:38,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:40,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:42,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:46,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:48,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:49,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:51,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:52,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:54,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:56,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:44:58,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:01,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:45:03,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:45:03,447 INFO L93 Difference]: Finished difference Result 149000 states and 219642 transitions. [2022-11-25 22:45:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:45:03,448 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 [2022-11-25 22:45:03,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:45:04,228 INFO L225 Difference]: With dead ends: 149000 [2022-11-25 22:45:04,228 INFO L226 Difference]: Without dead ends: 148998 [2022-11-25 22:45:04,286 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 [2022-11-25 22:45:04,287 INFO L413 NwaCegarLoop]: 3857 mSDtfsCounter, 3392 mSDsluCounter, 10697 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 2 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3410 SdHoareTripleChecker+Valid, 14554 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:45:04,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3410 Valid, 14554 Invalid, 2136 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2118 Invalid, 16 Unknown, 0 Unchecked, 60.1s Time] [2022-11-25 22:45:04,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148998 states. [2022-11-25 22:45:11,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148998 to 148986. [2022-11-25 22:45:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148986 states, 97606 states have (on average 1.3381349507202427) internal successors, (130610), 98963 states have internal predecessors, (130610), 42285 states have call successors, (42285), 9274 states have call predecessors, (42285), 9092 states have return successors, (46735), 40997 states have call predecessors, (46735), 42269 states have call successors, (46735) [2022-11-25 22:45:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148986 states to 148986 states and 219630 transitions. [2022-11-25 22:45:13,233 INFO L78 Accepts]: Start accepts. Automaton has 148986 states and 219630 transitions. Word has length 494 [2022-11-25 22:45:13,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:45:13,233 INFO L495 AbstractCegarLoop]: Abstraction has 148986 states and 219630 transitions. [2022-11-25 22:45:13,233 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) [2022-11-25 22:45:13,233 INFO L276 IsEmpty]: Start isEmpty. Operand 148986 states and 219630 transitions. [2022-11-25 22:45:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-11-25 22:45:13,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:45:13,242 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] [2022-11-25 22:45:13,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:45:13,243 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:45:13,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:45:13,243 INFO L85 PathProgramCache]: Analyzing trace with hash 315886714, now seen corresponding path program 1 times [2022-11-25 22:45:13,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:45:13,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457068174] [2022-11-25 22:45:13,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:45:13,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:45:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:45:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7524 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7516 trivial. 0 not checked. [2022-11-25 22:45:15,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:45:15,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457068174] [2022-11-25 22:45:15,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457068174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:45:15,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:45:15,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:45:15,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869725798] [2022-11-25 22:45:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:45:15,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:45:15,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:45:15,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:45:15,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:45:15,070 INFO L87 Difference]: Start difference. First operand 148986 states and 219630 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) [2022-11-25 22:45:16,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:18,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:23,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:26,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:30,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:45:33,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:45:36,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:45:38,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:41,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:45,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:45:48,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:50,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:53,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:45:57,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:45:59,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:46:02,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:46:04,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:46:06,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:46:08,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:46:13,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:46:13,527 INFO L93 Difference]: Finished difference Result 289863 states and 427493 transitions. [2022-11-25 22:46:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:46:13,528 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 [2022-11-25 22:46:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:46:15,068 INFO L225 Difference]: With dead ends: 289863 [2022-11-25 22:46:15,069 INFO L226 Difference]: Without dead ends: 289861 [2022-11-25 22:46:15,189 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 [2022-11-25 22:46:15,189 INFO L413 NwaCegarLoop]: 3837 mSDtfsCounter, 3374 mSDsluCounter, 10657 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3390 SdHoareTripleChecker+Valid, 14494 SdHoareTripleChecker+Invalid, 2097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:46:15,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3390 Valid, 14494 Invalid, 2097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2081 Invalid, 14 Unknown, 0 Unchecked, 48.4s Time] [2022-11-25 22:46:15,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289861 states.