./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-pci-cx88-cx8800.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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/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 bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:16:01,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:16:01,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:16:01,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:16:01,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:16:01,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:16:01,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:16:01,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:16:01,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:16:01,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:16:01,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:16:01,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:16:01,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:16:01,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:16:01,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:16:01,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:16:01,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:16:01,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:16:01,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:16:01,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:16:01,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:16:01,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:16:01,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:16:01,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:16:01,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:16:01,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:16:01,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:16:01,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:16:01,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:16:01,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:16:01,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:16:01,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:16:01,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:16:01,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:16:01,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:16:01,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:16:01,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:16:01,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:16:01,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:16:01,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:16:01,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:16:01,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:16:01,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:16:01,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:16:01,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:16:01,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:16:01,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:16:01,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:16:01,753 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:16:01,753 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:16:01,753 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:16:01,754 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:16:01,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:16:01,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:16:01,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:16:01,755 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:16:01,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:16:01,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:16:01,756 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:16:01,756 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:16:01,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:16:01,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:16:01,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:16:01,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:16:01,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:16:01,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:16:01,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:16:01,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:16:01,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:16:01,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:16:01,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:16:01,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:01,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:16:01,760 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:16:01,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:16:01,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:16:01,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:16:01,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:16:01,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:16:01,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:16:01,762 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2022-11-26 00:16:02,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:16:02,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:16:02,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:16:02,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:16:02,044 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:16:02,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-26 00:16:05,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:16:05,946 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:16:05,947 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-26 00:16:06,047 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/data/60107355c/a67dbc0e7d7b4a68be053f80eacfde84/FLAG370383995 [2022-11-26 00:16:06,068 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/data/60107355c/a67dbc0e7d7b4a68be053f80eacfde84 [2022-11-26 00:16:06,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:16:06,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:16:06,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:06,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:16:06,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:16:06,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:06" (1/1) ... [2022-11-26 00:16:06,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2785d610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:06, skipping insertion in model container [2022-11-26 00:16:06,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:06" (1/1) ... [2022-11-26 00:16:06,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:16:06,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:16:07,102 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:16:07,129 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:16:07,424 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:16:07,441 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:16:07,458 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:16:07,632 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 00:16:07,740 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:16:07,781 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:16:07,856 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:16:07,890 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,300 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,301 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,302 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,304 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,347 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:08,358 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:16:08,359 WARN L623 FunctionHandler]: Unknown extern function cx88_set_scale [2022-11-26 00:16:08,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,383 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:08,386 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:08,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,407 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:16:08,412 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:16:08,414 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:08,415 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:08,416 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:08,417 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:08,419 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:08,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,422 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:08,432 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,434 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:08,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,447 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:08,454 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,462 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,470 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,473 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-26 00:16:08,474 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,474 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:16:08,475 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:16:08,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,482 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:08,482 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:08,482 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:16:08,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,486 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-26 00:16:08,494 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,495 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-26 00:16:08,497 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-26 00:16:08,504 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,505 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:16:08,506 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-26 00:16:08,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,516 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-26 00:16:08,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:08,518 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-26 00:16:08,520 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:16:08,521 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:16:08,521 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,522 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-26 00:16:08,523 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-26 00:16:08,525 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:08,538 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,546 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-26 00:16:08,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,597 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:16:08,599 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:16:08,605 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:16:08,606 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:16:08,608 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:16:08,609 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:16:08,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,638 WARN L623 FunctionHandler]: Unknown extern function v4l_bound_align_image [2022-11-26 00:16:08,651 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,652 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:16:08,668 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:16:08,675 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:16:08,683 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:16:08,690 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:16:08,697 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:16:08,704 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:16:08,712 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,714 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:16:08,720 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:08,726 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:16:08,740 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,741 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:16:08,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,766 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,766 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:16:08,767 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,776 WARN L623 FunctionHandler]: Unknown extern function cx88_get_stereo [2022-11-26 00:16:08,784 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:16:08,795 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,796 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:16:08,800 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:16:08,800 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:08,801 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,849 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:16:08,850 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:16:08,850 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:16:08,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,862 WARN L623 FunctionHandler]: Unknown extern function cx88_print_irqbits [2022-11-26 00:16:08,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,864 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:16:08,865 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:16:08,866 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:16:08,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,867 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,875 WARN L623 FunctionHandler]: Unknown extern function cx88_core_irq [2022-11-26 00:16:08,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,936 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:16:08,937 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:16:08,937 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:16:08,938 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:16:08,938 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:16:08,939 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:16:08,946 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:16:08,947 WARN L623 FunctionHandler]: Unknown extern function cx88_core_get [2022-11-26 00:16:08,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,948 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:16:08,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,949 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:16:08,950 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:16:08,950 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:16:08,951 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:16:08,951 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:16:08,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,953 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:16:08,954 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:16:08,955 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_add_handler [2022-11-26 00:16:08,958 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev_board [2022-11-26 00:16:08,959 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev [2022-11-26 00:16:08,962 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:16:08,962 WARN L623 FunctionHandler]: Unknown extern function i2c_new_device [2022-11-26 00:16:08,963 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:16:08,963 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:08,964 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:16:08,964 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:16:08,964 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:16:08,964 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:16:08,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,967 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:16:08,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,969 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:16:08,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,972 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:16:08,973 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:16:08,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,974 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,974 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:08,975 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:16:08,975 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:08,983 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:16:08,983 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:16:08,984 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:16:08,984 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:16:08,984 WARN L623 FunctionHandler]: Unknown extern function btcx_riscmem_free [2022-11-26 00:16:08,985 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:16:08,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:08,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:08,994 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:16:08,994 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:16:08,994 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:16:08,994 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:16:08,995 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:16:08,995 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:16:09,002 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:16:09,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,003 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:16:09,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,004 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:16:09,004 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:16:09,004 WARN L623 FunctionHandler]: Unknown extern function cx88_reset [2022-11-26 00:16:09,005 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_start [2022-11-26 00:16:09,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,802 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:16:09,806 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:16:09,806 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:16:09,807 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:16:09,809 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:16:09,815 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:16:09,816 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:16:09,817 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:16:09,822 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:16:09,822 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:16:09,832 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:16:09,854 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:16:09,854 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:16:09,884 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:09,885 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:09,885 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:09,886 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:09,887 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:16:09,888 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:16:09,888 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:09,889 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:16:09,890 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:16:09,890 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:09,891 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:16:09,892 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:16:09,918 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:16:09,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,923 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:09,925 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:16:09,926 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:16:09,927 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:16:09,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,942 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:16:09,943 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:16:09,943 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:09,944 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:09,952 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:09,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:09,961 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:09,978 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:09,979 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:09,979 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:10,033 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:16:10,033 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:16:10,046 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:16:10,806 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2022-11-26 00:16:10,811 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2022-11-26 00:16:10,816 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2022-11-26 00:16:10,817 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2022-11-26 00:16:10,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:10,993 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:16:11,187 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:16:11,188 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:16:11,192 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:16:11,193 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:16:11,193 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:16:11,197 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 00:16:11,201 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:16:11,202 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:16:11,205 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:16:11,206 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,212 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,213 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,214 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,215 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,217 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,302 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:11,304 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:16:11,305 WARN L623 FunctionHandler]: Unknown extern function cx88_set_scale [2022-11-26 00:16:11,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,314 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:11,315 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:11,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,332 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:16:11,334 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:16:11,335 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:11,336 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:11,336 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:11,339 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:11,341 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:11,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,342 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:11,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,352 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:11,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,359 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:11,360 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,361 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,361 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,363 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-26 00:16:11,368 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,368 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:16:11,369 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:16:11,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,385 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:11,386 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:11,386 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:16:11,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,402 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-26 00:16:11,403 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,409 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-26 00:16:11,415 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-26 00:16:11,416 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,416 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:16:11,422 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-26 00:16:11,422 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,423 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,431 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-26 00:16:11,433 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:11,434 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-26 00:16:11,434 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:16:11,434 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:16:11,434 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,435 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-26 00:16:11,435 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-26 00:16:11,435 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:11,452 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,453 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-26 00:16:11,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,461 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:16:11,468 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:16:11,475 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:16:11,481 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:16:11,489 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:16:11,495 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:16:11,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,554 WARN L623 FunctionHandler]: Unknown extern function v4l_bound_align_image [2022-11-26 00:16:11,562 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,562 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:16:11,570 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:16:11,571 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:16:11,571 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:16:11,572 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:16:11,572 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:16:11,573 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:16:11,573 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,580 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:16:11,580 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:16:11,587 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:16:11,598 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,599 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:16:11,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,619 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:16:11,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,641 WARN L623 FunctionHandler]: Unknown extern function cx88_get_stereo [2022-11-26 00:16:11,647 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:16:11,669 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,669 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:16:11,698 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:16:11,698 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:16:11,699 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,779 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:16:11,780 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:16:11,780 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:16:11,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,784 WARN L623 FunctionHandler]: Unknown extern function cx88_print_irqbits [2022-11-26 00:16:11,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,785 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:16:11,786 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:16:11,786 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:16:11,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,789 WARN L623 FunctionHandler]: Unknown extern function cx88_core_irq [2022-11-26 00:16:11,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,797 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:16:11,798 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:16:11,798 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:16:11,799 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:16:11,799 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:16:11,799 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:16:11,801 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:16:11,801 WARN L623 FunctionHandler]: Unknown extern function cx88_core_get [2022-11-26 00:16:11,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,802 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:16:11,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,803 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:16:11,803 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:16:11,804 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:16:11,804 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:16:11,804 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:16:11,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,806 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:16:11,807 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:16:11,807 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_add_handler [2022-11-26 00:16:11,809 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev_board [2022-11-26 00:16:11,810 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev [2022-11-26 00:16:11,811 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:16:11,812 WARN L623 FunctionHandler]: Unknown extern function i2c_new_device [2022-11-26 00:16:11,812 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:16:11,813 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:16:11,813 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:16:11,813 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:16:11,813 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:16:11,814 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:16:11,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,816 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:16:11,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,817 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:16:11,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,820 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:16:11,820 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:16:11,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,821 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,821 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:16:11,821 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:16:11,822 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:11,823 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:16:11,823 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:16:11,824 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:16:11,824 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:16:11,824 WARN L623 FunctionHandler]: Unknown extern function btcx_riscmem_free [2022-11-26 00:16:11,825 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:16:11,825 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:16:11,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,827 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:16:11,827 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:16:11,827 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:16:11,827 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:16:11,828 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:16:11,828 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:16:11,829 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:16:11,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,829 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:16:11,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,830 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:16:11,830 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:16:11,830 WARN L623 FunctionHandler]: Unknown extern function cx88_reset [2022-11-26 00:16:11,831 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_start [2022-11-26 00:16:11,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,847 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:16:11,850 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:16:11,850 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:16:11,850 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:16:11,851 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:16:11,854 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:16:11,855 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:16:11,855 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:16:11,859 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:16:11,859 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:16:11,863 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:16:11,871 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:16:11,871 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:16:11,885 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:11,885 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:11,886 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:11,886 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:11,887 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:16:11,887 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:16:11,888 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:11,888 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:16:11,888 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:16:11,889 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:11,889 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:16:11,890 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:16:11,896 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:16:11,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,901 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:11,902 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:16:11,903 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:16:11,903 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:16:11,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,910 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:16:11,911 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:16:11,911 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:16:11,911 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:11,918 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:16:11,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:16:11,920 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:16:11,921 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:11,922 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:16:11,922 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:16:11,924 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:16:11,925 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:16:11,925 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:16:11,942 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2022-11-26 00:16:11,943 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2022-11-26 00:16:11,943 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2022-11-26 00:16:11,944 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_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2022-11-26 00:16:11,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:12,216 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:16:12,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12 WrapperNode [2022-11-26 00:16:12,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:12,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:12,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:16:12,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:16:12,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,567 INFO L138 Inliner]: procedures = 539, calls = 4276, calls flagged for inlining = 262, calls inlined = 249, statements flattened = 8526 [2022-11-26 00:16:12,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:12,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:16:12,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:16:12,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:16:12,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:12,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:13,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:13,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:13,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:16:13,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:16:13,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:16:13,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:16:13,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (1/1) ... [2022-11-26 00:16:13,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:13,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:13,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:16:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad9b820d-a0e7-4239-9fde-77b84a69cfbb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:16:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-11-26 00:16:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-11-26 00:16:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:16:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:16:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2022-11-26 00:16:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2022-11-26 00:16:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2022-11-26 00:16:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2022-11-26 00:16:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-11-26 00:16:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-11-26 00:16:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:16:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:16:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2022-11-26 00:16:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2022-11-26 00:16:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-11-26 00:16:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-11-26 00:16:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-11-26 00:16:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-11-26 00:16:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-26 00:16:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-26 00:16:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2022-11-26 00:16:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2022-11-26 00:16:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2022-11-26 00:16:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2022-11-26 00:16:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2022-11-26 00:16:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2022-11-26 00:16:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:16:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:16:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2022-11-26 00:16:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2022-11-26 00:16:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-11-26 00:16:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-11-26 00:16:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2022-11-26 00:16:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2022-11-26 00:16:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 00:16:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 00:16:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-11-26 00:16:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-11-26 00:16:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2022-11-26 00:16:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2022-11-26 00:16:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-26 00:16:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-26 00:16:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-11-26 00:16:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-11-26 00:16:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2022-11-26 00:16:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2022-11-26 00:16:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-11-26 00:16:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-11-26 00:16:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2022-11-26 00:16:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2022-11-26 00:16:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2022-11-26 00:16:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2022-11-26 00:16:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:16:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:16:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:16:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:16:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:16:13,230 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:16:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-26 00:16:13,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-26 00:16:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-11-26 00:16:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-11-26 00:16:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:16:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:16:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2022-11-26 00:16:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2022-11-26 00:16:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-11-26 00:16:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-11-26 00:16:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-11-26 00:16:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-11-26 00:16:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-11-26 00:16:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-11-26 00:16:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-26 00:16:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-26 00:16:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2022-11-26 00:16:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2022-11-26 00:16:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:16:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2022-11-26 00:16:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2022-11-26 00:16:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2022-11-26 00:16:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2022-11-26 00:16:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:16:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:16:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2022-11-26 00:16:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-11-26 00:16:13,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-11-26 00:16:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-11-26 00:16:13,234 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-11-26 00:16:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:16:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2022-11-26 00:16:13,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2022-11-26 00:16:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:16:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:16:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2022-11-26 00:16:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2022-11-26 00:16:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:16:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2022-11-26 00:16:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2022-11-26 00:16:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:16:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:16:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-26 00:16:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-26 00:16:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2022-11-26 00:16:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2022-11-26 00:16:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:16:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:16:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2022-11-26 00:16:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2022-11-26 00:16:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:16:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:16:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2022-11-26 00:16:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2022-11-26 00:16:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-11-26 00:16:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-11-26 00:16:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-26 00:16:13,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-26 00:16:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2022-11-26 00:16:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:16:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-11-26 00:16:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:16:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-11-26 00:16:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:16:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:16:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:16:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:16:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-26 00:16:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:16:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-11-26 00:16:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:16:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:16:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:16:13,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:16:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2022-11-26 00:16:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 00:16:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-26 00:16:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2022-11-26 00:16:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2022-11-26 00:16:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2022-11-26 00:16:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2022-11-26 00:16:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-11-26 00:16:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:16:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:16:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2022-11-26 00:16:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:16:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2022-11-26 00:16:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2022-11-26 00:16:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-11-26 00:16:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-11-26 00:16:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2022-11-26 00:16:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2022-11-26 00:16:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-11-26 00:16:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-11-26 00:16:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-11-26 00:16:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-11-26 00:16:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-26 00:16:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-26 00:16:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-26 00:16:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-26 00:16:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2022-11-26 00:16:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2022-11-26 00:16:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:16:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:16:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:16:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:16:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2022-11-26 00:16:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2022-11-26 00:16:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2022-11-26 00:16:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2022-11-26 00:16:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-11-26 00:16:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-11-26 00:16:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2022-11-26 00:16:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2022-11-26 00:16:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:16:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-11-26 00:16:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-11-26 00:16:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:16:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:16:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2022-11-26 00:16:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2022-11-26 00:16:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:16:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:16:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:16:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:16:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-26 00:16:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-26 00:16:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:16:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:16:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-11-26 00:16:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-11-26 00:16:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:16:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:16:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-11-26 00:16:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-11-26 00:16:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2022-11-26 00:16:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2022-11-26 00:16:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2022-11-26 00:16:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2022-11-26 00:16:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:16:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:16:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:16:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:16:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:16:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2022-11-26 00:16:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2022-11-26 00:16:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-11-26 00:16:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-11-26 00:16:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-26 00:16:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-26 00:16:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2022-11-26 00:16:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2022-11-26 00:16:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:16:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:16:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2022-11-26 00:16:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2022-11-26 00:16:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2022-11-26 00:16:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2022-11-26 00:16:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-11-26 00:16:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-11-26 00:16:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:16:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:16:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-26 00:16:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-26 00:16:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 00:16:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 00:16:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-11-26 00:16:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-11-26 00:16:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-26 00:16:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-26 00:16:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-11-26 00:16:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-11-26 00:16:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2022-11-26 00:16:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2022-11-26 00:16:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:16:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:16:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:16:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:16:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2022-11-26 00:16:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2022-11-26 00:16:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:16:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2022-11-26 00:16:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2022-11-26 00:16:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:16:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:16:14,805 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:16:14,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:16:15,281 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:16:43,669 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:16:43,867 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:16:45,534 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:16:45,535 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:16:45,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:45 BoogieIcfgContainer [2022-11-26 00:16:45,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:16:45,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:16:45,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:16:45,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:16:45,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:16:06" (1/3) ... [2022-11-26 00:16:45,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31baec8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:45, skipping insertion in model container [2022-11-26 00:16:45,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:12" (2/3) ... [2022-11-26 00:16:45,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31baec8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:45, skipping insertion in model container [2022-11-26 00:16:45,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:45" (3/3) ... [2022-11-26 00:16:45,550 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-26 00:16:45,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:16:45,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:16:45,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:16:45,682 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;@64e1ee3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:16:45,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:16:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 2242 states, 1324 states have (on average 1.3006042296072509) internal successors, (1722), 1340 states have internal predecessors, (1722), 768 states have call successors, (768), 148 states have call predecessors, (768), 147 states have return successors, (761), 760 states have call predecessors, (761), 761 states have call successors, (761) [2022-11-26 00:16:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-11-26 00:16:45,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:45,743 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:45,743 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)] === [2022-11-26 00:16:45,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:45,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1422693602, now seen corresponding path program 1 times [2022-11-26 00:16:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:45,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701291394] [2022-11-26 00:16:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:45,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2022-11-26 00:16:47,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:47,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701291394] [2022-11-26 00:16:47,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701291394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:47,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:47,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:16:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003390248] [2022-11-26 00:16:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:47,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:16:47,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:47,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:16:47,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:47,858 INFO L87 Difference]: Start difference. First operand has 2242 states, 1324 states have (on average 1.3006042296072509) internal successors, (1722), 1340 states have internal predecessors, (1722), 768 states have call successors, (768), 148 states have call predecessors, (768), 147 states have return successors, (761), 760 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-26 00:16:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:52,445 INFO L93 Difference]: Finished difference Result 6443 states and 9460 transitions. [2022-11-26 00:16:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:16:52,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 515 [2022-11-26 00:16:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:52,499 INFO L225 Difference]: With dead ends: 6443 [2022-11-26 00:16:52,499 INFO L226 Difference]: Without dead ends: 4289 [2022-11-26 00:16:52,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:52,520 INFO L413 NwaCegarLoop]: 3454 mSDtfsCounter, 2996 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2996 SdHoareTripleChecker+Valid, 6188 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:52,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2996 Valid, 6188 Invalid, 969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-26 00:16:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4289 states. [2022-11-26 00:16:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4289 to 4285. [2022-11-26 00:16:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4285 states, 2555 states have (on average 1.2962818003913894) internal successors, (3312), 2586 states have internal predecessors, (3312), 1437 states have call successors, (1437), 291 states have call predecessors, (1437), 290 states have return successors, (1433), 1431 states have call predecessors, (1433), 1433 states have call successors, (1433) [2022-11-26 00:16:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 4285 states and 6182 transitions. [2022-11-26 00:16:52,944 INFO L78 Accepts]: Start accepts. Automaton has 4285 states and 6182 transitions. Word has length 515 [2022-11-26 00:16:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:52,949 INFO L495 AbstractCegarLoop]: Abstraction has 4285 states and 6182 transitions. [2022-11-26 00:16:52,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-26 00:16:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 6182 transitions. [2022-11-26 00:16:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-11-26 00:16:52,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:52,976 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:52,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:16:52,977 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)] === [2022-11-26 00:16:52,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:52,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2126612305, now seen corresponding path program 1 times [2022-11-26 00:16:52,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:52,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710669255] [2022-11-26 00:16:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:52,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-11-26 00:16:54,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:54,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710669255] [2022-11-26 00:16:54,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710669255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:54,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:54,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:16:54,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101603478] [2022-11-26 00:16:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:54,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:16:54,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:54,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:16:54,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:54,139 INFO L87 Difference]: Start difference. First operand 4285 states and 6182 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-26 00:16:58,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:01,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:02,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:02,414 INFO L93 Difference]: Finished difference Result 10295 states and 14845 transitions. [2022-11-26 00:17:02,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:17:02,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 524 [2022-11-26 00:17:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:02,458 INFO L225 Difference]: With dead ends: 10295 [2022-11-26 00:17:02,458 INFO L226 Difference]: Without dead ends: 6109 [2022-11-26 00:17:02,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:17:02,482 INFO L413 NwaCegarLoop]: 3496 mSDtfsCounter, 2820 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 6214 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:02,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 6214 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 983 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-26 00:17:02,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6109 states. [2022-11-26 00:17:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6109 to 6084. [2022-11-26 00:17:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6084 states, 3657 states have (on average 1.2988788624555647) internal successors, (4750), 3701 states have internal predecessors, (4750), 2001 states have call successors, (2001), 425 states have call predecessors, (2001), 423 states have return successors, (1997), 1989 states have call predecessors, (1997), 1997 states have call successors, (1997) [2022-11-26 00:17:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6084 states to 6084 states and 8748 transitions. [2022-11-26 00:17:02,831 INFO L78 Accepts]: Start accepts. Automaton has 6084 states and 8748 transitions. Word has length 524 [2022-11-26 00:17:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:02,833 INFO L495 AbstractCegarLoop]: Abstraction has 6084 states and 8748 transitions. [2022-11-26 00:17:02,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-26 00:17:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6084 states and 8748 transitions. [2022-11-26 00:17:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-11-26 00:17:02,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:02,844 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:02,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:17:02,845 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)] === [2022-11-26 00:17:02,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash 587138942, now seen corresponding path program 1 times [2022-11-26 00:17:02,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:02,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673733902] [2022-11-26 00:17:02,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:02,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9510 trivial. 0 not checked. [2022-11-26 00:17:03,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:03,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673733902] [2022-11-26 00:17:03,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673733902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:03,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:03,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:17:03,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146632484] [2022-11-26 00:17:03,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:03,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:17:03,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:03,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:17:03,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:17:03,800 INFO L87 Difference]: Start difference. First operand 6084 states and 8748 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-11-26 00:17:07,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:09,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:09,902 INFO L93 Difference]: Finished difference Result 17865 states and 25714 transitions. [2022-11-26 00:17:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:17:09,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 535 [2022-11-26 00:17:09,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:09,984 INFO L225 Difference]: With dead ends: 17865 [2022-11-26 00:17:09,984 INFO L226 Difference]: Without dead ends: 11880 [2022-11-26 00:17:10,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:17:10,014 INFO L413 NwaCegarLoop]: 3448 mSDtfsCounter, 2966 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 6216 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:10,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 6216 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 923 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-26 00:17:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11880 states. [2022-11-26 00:17:10,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11880 to 11848. [2022-11-26 00:17:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 7153 states have (on average 1.3033692157136865) internal successors, (9323), 7247 states have internal predecessors, (9323), 3854 states have call successors, (3854), 842 states have call predecessors, (3854), 838 states have return successors, (3894), 3822 states have call predecessors, (3894), 3850 states have call successors, (3894) [2022-11-26 00:17:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 17071 transitions. [2022-11-26 00:17:10,757 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 17071 transitions. Word has length 535 [2022-11-26 00:17:10,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:10,759 INFO L495 AbstractCegarLoop]: Abstraction has 11848 states and 17071 transitions. [2022-11-26 00:17:10,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-11-26 00:17:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 17071 transitions. [2022-11-26 00:17:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2022-11-26 00:17:10,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:10,769 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:10,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:17:10,770 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)] === [2022-11-26 00:17:10,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:10,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1942531378, now seen corresponding path program 1 times [2022-11-26 00:17:10,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:10,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896964570] [2022-11-26 00:17:10,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:10,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9514 trivial. 0 not checked. [2022-11-26 00:17:11,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:11,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896964570] [2022-11-26 00:17:11,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896964570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:11,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:11,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:17:11,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871490844] [2022-11-26 00:17:11,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:11,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:17:11,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:11,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:17:11,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:17:11,656 INFO L87 Difference]: Start difference. First operand 11848 states and 17071 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-11-26 00:17:13,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:18,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:21,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:22,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:22,147 INFO L93 Difference]: Finished difference Result 34842 states and 50346 transitions. [2022-11-26 00:17:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:17:22,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 541 [2022-11-26 00:17:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:22,305 INFO L225 Difference]: With dead ends: 34842 [2022-11-26 00:17:22,305 INFO L226 Difference]: Without dead ends: 23093 [2022-11-26 00:17:22,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:17:22,360 INFO L413 NwaCegarLoop]: 3557 mSDtfsCounter, 2965 mSDsluCounter, 2745 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 6302 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:22,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 6302 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:17:22,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23093 states. [2022-11-26 00:17:23,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23093 to 23056. [2022-11-26 00:17:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23056 states, 13981 states have (on average 1.3047707603175738) internal successors, (18242), 14147 states have internal predecessors, (18242), 7434 states have call successors, (7434), 1655 states have call predecessors, (7434), 1638 states have return successors, (7684), 7345 states have call predecessors, (7684), 7430 states have call successors, (7684) [2022-11-26 00:17:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23056 states to 23056 states and 33360 transitions. [2022-11-26 00:17:23,747 INFO L78 Accepts]: Start accepts. Automaton has 23056 states and 33360 transitions. Word has length 541 [2022-11-26 00:17:23,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:23,748 INFO L495 AbstractCegarLoop]: Abstraction has 23056 states and 33360 transitions. [2022-11-26 00:17:23,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-11-26 00:17:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 23056 states and 33360 transitions. [2022-11-26 00:17:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-11-26 00:17:23,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:23,761 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:23,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:17:23,762 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)] === [2022-11-26 00:17:23,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:23,762 INFO L85 PathProgramCache]: Analyzing trace with hash -355704421, now seen corresponding path program 1 times [2022-11-26 00:17:23,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:23,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383930111] [2022-11-26 00:17:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9846 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9846 trivial. 0 not checked. [2022-11-26 00:17:25,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:25,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383930111] [2022-11-26 00:17:25,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383930111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:25,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:25,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:17:25,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124263310] [2022-11-26 00:17:25,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:25,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:17:25,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:17:25,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:25,805 INFO L87 Difference]: Start difference. First operand 23056 states and 33360 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-26 00:17:31,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:35,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:35,727 INFO L93 Difference]: Finished difference Result 46001 states and 66547 transitions. [2022-11-26 00:17:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:17:35,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 560 [2022-11-26 00:17:35,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:35,995 INFO L225 Difference]: With dead ends: 46001 [2022-11-26 00:17:35,995 INFO L226 Difference]: Without dead ends: 45999 [2022-11-26 00:17:36,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:17:36,026 INFO L413 NwaCegarLoop]: 3518 mSDtfsCounter, 3081 mSDsluCounter, 9633 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3092 SdHoareTripleChecker+Valid, 13151 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:36,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3092 Valid, 13151 Invalid, 1883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1880 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-26 00:17:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45999 states. [2022-11-26 00:17:38,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45999 to 45987. [2022-11-26 00:17:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45987 states, 27900 states have (on average 1.305448028673835) internal successors, (36422), 28236 states have internal predecessors, (36422), 14807 states have call successors, (14807), 3311 states have call predecessors, (14807), 3277 states have return successors, (15307), 14623 states have call predecessors, (15307), 14799 states have call successors, (15307) [2022-11-26 00:17:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45987 states to 45987 states and 66536 transitions. [2022-11-26 00:17:39,190 INFO L78 Accepts]: Start accepts. Automaton has 45987 states and 66536 transitions. Word has length 560 [2022-11-26 00:17:39,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:39,192 INFO L495 AbstractCegarLoop]: Abstraction has 45987 states and 66536 transitions. [2022-11-26 00:17:39,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-26 00:17:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 45987 states and 66536 transitions. [2022-11-26 00:17:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-11-26 00:17:39,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:39,212 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:39,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:17:39,213 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)] === [2022-11-26 00:17:39,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:39,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1144151076, now seen corresponding path program 1 times [2022-11-26 00:17:39,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:39,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882546241] [2022-11-26 00:17:39,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:39,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 9848 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9846 trivial. 0 not checked. [2022-11-26 00:17:41,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:41,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882546241] [2022-11-26 00:17:41,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882546241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:41,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:41,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:17:41,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785764890] [2022-11-26 00:17:41,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:41,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:17:41,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:41,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:17:41,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:41,390 INFO L87 Difference]: Start difference. First operand 45987 states and 66536 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-26 00:17:47,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:17:49,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:49,526 INFO L93 Difference]: Finished difference Result 45997 states and 66545 transitions. [2022-11-26 00:17:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:49,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 565 [2022-11-26 00:17:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:49,772 INFO L225 Difference]: With dead ends: 45997 [2022-11-26 00:17:49,772 INFO L226 Difference]: Without dead ends: 45995 [2022-11-26 00:17:49,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:17:49,798 INFO L413 NwaCegarLoop]: 2756 mSDtfsCounter, 3081 mSDsluCounter, 5493 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 8249 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:49,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 8249 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-26 00:17:49,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45995 states. [2022-11-26 00:17:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45995 to 45995. [2022-11-26 00:17:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45995 states, 27906 states have (on average 1.3053823550490933) internal successors, (36428), 28242 states have internal predecessors, (36428), 14807 states have call successors, (14807), 3313 states have call predecessors, (14807), 3279 states have return successors, (15307), 14623 states have call predecessors, (15307), 14799 states have call successors, (15307) [2022-11-26 00:17:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45995 states to 45995 states and 66542 transitions. [2022-11-26 00:17:52,969 INFO L78 Accepts]: Start accepts. Automaton has 45995 states and 66542 transitions. Word has length 565 [2022-11-26 00:17:52,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:52,971 INFO L495 AbstractCegarLoop]: Abstraction has 45995 states and 66542 transitions. [2022-11-26 00:17:52,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-26 00:17:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 45995 states and 66542 transitions. [2022-11-26 00:17:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-11-26 00:17:52,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:52,987 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:52,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:17:52,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-11-26 00:17:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash 925212834, now seen corresponding path program 1 times [2022-11-26 00:17:52,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:52,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538468833] [2022-11-26 00:17:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9851 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9847 trivial. 0 not checked. [2022-11-26 00:17:55,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:55,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538468833] [2022-11-26 00:17:55,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538468833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:55,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:55,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:17:55,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225777321] [2022-11-26 00:17:55,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:55,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:17:55,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:55,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:17:55,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:55,603 INFO L87 Difference]: Start difference. First operand 45995 states and 66542 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-26 00:18:01,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:04,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:09,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:09,437 INFO L93 Difference]: Finished difference Result 46013 states and 66556 transitions. [2022-11-26 00:18:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:18:09,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 571 [2022-11-26 00:18:09,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:09,657 INFO L225 Difference]: With dead ends: 46013 [2022-11-26 00:18:09,657 INFO L226 Difference]: Without dead ends: 46011 [2022-11-26 00:18:09,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:18:09,679 INFO L413 NwaCegarLoop]: 3521 mSDtfsCounter, 3077 mSDsluCounter, 9633 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:09,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 13154 Invalid, 1884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1880 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-11-26 00:18:09,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46011 states. [2022-11-26 00:18:12,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46011 to 45999. [2022-11-26 00:18:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45999 states, 27909 states have (on average 1.3053495288258268) internal successors, (36431), 28245 states have internal predecessors, (36431), 14807 states have call successors, (14807), 3314 states have call predecessors, (14807), 3280 states have return successors, (15307), 14623 states have call predecessors, (15307), 14799 states have call successors, (15307) [2022-11-26 00:18:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45999 states to 45999 states and 66545 transitions. [2022-11-26 00:18:12,544 INFO L78 Accepts]: Start accepts. Automaton has 45999 states and 66545 transitions. Word has length 571 [2022-11-26 00:18:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:12,545 INFO L495 AbstractCegarLoop]: Abstraction has 45999 states and 66545 transitions. [2022-11-26 00:18:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-26 00:18:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 45999 states and 66545 transitions. [2022-11-26 00:18:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-11-26 00:18:12,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:12,562 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:12,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:18:12,562 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)] === [2022-11-26 00:18:12,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1955678468, now seen corresponding path program 1 times [2022-11-26 00:18:12,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:12,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22738086] [2022-11-26 00:18:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:12,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 9864 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9858 trivial. 0 not checked. [2022-11-26 00:18:14,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:14,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22738086] [2022-11-26 00:18:14,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22738086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:14,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:14,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:18:14,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117593761] [2022-11-26 00:18:14,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:14,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:18:14,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:14,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:18:14,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:18:14,992 INFO L87 Difference]: Start difference. First operand 45999 states and 66545 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-26 00:18:19,226 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 [] [2022-11-26 00:18:22,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:26,887 INFO L93 Difference]: Finished difference Result 46017 states and 66559 transitions. [2022-11-26 00:18:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:18:26,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 575 [2022-11-26 00:18:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:27,111 INFO L225 Difference]: With dead ends: 46017 [2022-11-26 00:18:27,111 INFO L226 Difference]: Without dead ends: 46015 [2022-11-26 00:18:27,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:18:27,133 INFO L413 NwaCegarLoop]: 3521 mSDtfsCounter, 3076 mSDsluCounter, 9633 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:27,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 13154 Invalid, 1883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1880 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-26 00:18:27,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46015 states. [2022-11-26 00:18:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46015 to 46003. [2022-11-26 00:18:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46003 states, 27912 states have (on average 1.305316709658928) internal successors, (36434), 28248 states have internal predecessors, (36434), 14807 states have call successors, (14807), 3315 states have call predecessors, (14807), 3281 states have return successors, (15307), 14623 states have call predecessors, (15307), 14799 states have call successors, (15307) [2022-11-26 00:18:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46003 states to 46003 states and 66548 transitions. [2022-11-26 00:18:30,071 INFO L78 Accepts]: Start accepts. Automaton has 46003 states and 66548 transitions. Word has length 575 [2022-11-26 00:18:30,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:30,072 INFO L495 AbstractCegarLoop]: Abstraction has 46003 states and 66548 transitions. [2022-11-26 00:18:30,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-26 00:18:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 46003 states and 66548 transitions. [2022-11-26 00:18:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-11-26 00:18:30,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:30,093 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:30,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:18:30,094 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-11-26 00:18:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:30,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1981797007, now seen corresponding path program 1 times [2022-11-26 00:18:30,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:30,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277912085] [2022-11-26 00:18:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9845 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9842 trivial. 0 not checked. [2022-11-26 00:18:31,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:31,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277912085] [2022-11-26 00:18:31,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277912085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:31,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:31,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:18:31,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914869003] [2022-11-26 00:18:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:31,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:18:31,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:31,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:18:31,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:31,313 INFO L87 Difference]: Start difference. First operand 46003 states and 66548 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-26 00:18:37,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:18:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:41,639 INFO L93 Difference]: Finished difference Result 92417 states and 133820 transitions. [2022-11-26 00:18:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:18:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 575 [2022-11-26 00:18:41,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:41,950 INFO L225 Difference]: With dead ends: 92417 [2022-11-26 00:18:41,950 INFO L226 Difference]: Without dead ends: 61097 [2022-11-26 00:18:42,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:42,089 INFO L413 NwaCegarLoop]: 5089 mSDtfsCounter, 2809 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 7805 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:42,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2809 Valid, 7805 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1389 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-26 00:18:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61097 states. [2022-11-26 00:18:45,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61097 to 61019. [2022-11-26 00:18:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61019 states, 37046 states have (on average 1.3058359876909789) internal successors, (48376), 37498 states have internal predecessors, (48376), 19599 states have call successors, (19599), 4417 states have call predecessors, (19599), 4371 states have return successors, (20263), 19343 states have call predecessors, (20263), 19591 states have call successors, (20263) [2022-11-26 00:18:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61019 states to 61019 states and 88238 transitions. [2022-11-26 00:18:46,097 INFO L78 Accepts]: Start accepts. Automaton has 61019 states and 88238 transitions. Word has length 575 [2022-11-26 00:18:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:46,098 INFO L495 AbstractCegarLoop]: Abstraction has 61019 states and 88238 transitions. [2022-11-26 00:18:46,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-26 00:18:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 61019 states and 88238 transitions. [2022-11-26 00:18:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-11-26 00:18:46,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:46,119 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:46,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:18:46,120 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)] === [2022-11-26 00:18:46,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash -499791269, now seen corresponding path program 1 times [2022-11-26 00:18:46,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:46,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407633483] [2022-11-26 00:18:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9878 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9870 trivial. 0 not checked. [2022-11-26 00:18:48,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:48,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407633483] [2022-11-26 00:18:48,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407633483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:48,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:48,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:18:48,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376959688] [2022-11-26 00:18:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:48,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:18:48,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:48,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:18:48,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:18:48,057 INFO L87 Difference]: Start difference. First operand 61019 states and 88238 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64)