./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/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_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/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_40540724-6c35-4516-82ca-b2f780b1306c/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 e373372610053a8b3f90a6fe69a2e2f77f1b445737e9545423fdaf4f64c3f09c --- 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 01:01:55,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:01:55,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:01:55,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:01:55,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:01:55,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:01:55,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:01:55,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:01:55,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:01:55,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:01:55,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:01:55,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:01:55,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:01:55,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:01:55,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:01:55,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:01:55,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:01:55,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:01:55,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:01:55,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:01:55,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:01:55,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:01:55,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:01:55,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:01:55,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:01:55,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:01:55,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:01:55,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:01:55,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:01:55,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:01:55,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:01:55,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:01:55,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:01:55,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:01:55,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:01:55,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:01:55,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:01:55,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:01:55,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:01:55,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:01:55,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:01:55,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 01:01:55,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:01:55,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:01:55,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:01:55,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:01:55,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:01:55,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:01:55,673 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:01:55,673 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:01:55,673 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:01:55,673 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:01:55,674 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:01:55,675 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:01:55,675 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:01:55,675 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:01:55,675 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:01:55,675 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:01:55,676 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:01:55,676 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:01:55,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:01:55,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:01:55,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:01:55,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:01:55,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:01:55,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:01:55,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:01:55,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:01:55,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:01:55,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:01:55,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:01:55,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:55,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:01:55,680 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:01:55,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:01:55,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:01:55,680 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:01:55,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:01:55,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:01:55,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:01:55,681 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_40540724-6c35-4516-82ca-b2f780b1306c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e373372610053a8b3f90a6fe69a2e2f77f1b445737e9545423fdaf4f64c3f09c [2022-11-26 01:01:55,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:01:56,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:01:56,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:01:56,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:01:56,004 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:01:56,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2022-11-26 01:01:59,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:01:59,664 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:01:59,665 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2022-11-26 01:01:59,720 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/data/e15b5085a/b793037f5d364b6cb41691f510c93def/FLAG45e8a4603 [2022-11-26 01:01:59,773 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/data/e15b5085a/b793037f5d364b6cb41691f510c93def [2022-11-26 01:01:59,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:01:59,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:01:59,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:59,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:01:59,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:01:59,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:59" (1/1) ... [2022-11-26 01:01:59,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e03790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:59, skipping insertion in model container [2022-11-26 01:01:59,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:59" (1/1) ... [2022-11-26 01:01:59,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:02:00,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:00,847 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:02:00,871 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:02:00,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 01:02:01,063 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:01,070 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:01,071 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 01:02:01,082 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 01:02:01,091 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-26 01:02:01,102 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-26 01:02:01,140 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 01:02:01,148 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:01,151 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 01:02:01,172 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 01:02:01,286 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 01:02:01,287 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 01:02:01,297 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:01,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,332 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 01:02:01,456 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 01:02:01,515 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,645 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 01:02:01,645 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 01:02:01,646 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:02:01,647 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 01:02:01,648 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:02:01,649 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:02:01,679 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,690 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:01,690 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:01,691 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 01:02:01,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,702 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 01:02:01,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,720 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,720 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,723 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,724 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,725 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,725 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,726 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,726 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,727 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,728 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,728 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,729 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,729 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,729 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,737 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,738 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,738 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,742 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,746 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,747 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,747 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 01:02:01,748 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:01,748 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,749 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,751 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,757 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:01,758 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,764 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,764 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,773 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:01,776 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,776 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,777 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,778 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,778 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,779 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,780 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,780 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,781 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,782 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,793 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:01,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,796 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,797 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,797 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,797 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,798 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,798 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,799 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,799 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,800 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,800 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,801 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,801 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,802 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,802 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,809 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 01:02:01,811 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 01:02:01,811 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 01:02:01,812 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 01:02:01,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,823 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,825 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 01:02:01,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,826 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:01,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,827 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,828 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,836 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,837 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,838 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,839 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,840 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,841 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,842 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,845 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,848 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,849 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,849 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,859 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,859 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,860 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,860 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,860 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,860 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,861 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,861 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,861 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,862 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,862 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,862 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,862 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,863 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,863 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,863 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,864 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,864 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,864 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,864 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,865 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,866 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,866 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,866 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,867 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,867 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,867 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,868 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,868 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,868 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,868 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,869 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,869 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,869 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,870 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,870 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,870 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,870 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,871 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,871 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,871 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,872 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,872 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:01,872 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,872 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,873 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,873 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,873 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,873 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,874 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,874 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,877 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 01:02:01,879 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,880 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,880 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,885 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:01,886 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:01,887 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:01,897 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:01,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,905 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 01:02:01,906 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,907 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,907 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:01,914 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,915 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,916 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,916 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,916 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,921 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,921 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,921 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,922 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:01,923 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,923 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:01,933 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,934 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,956 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,956 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,960 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,971 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,971 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,972 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:01,973 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:01,974 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:01,975 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:01,976 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:01,977 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:01,982 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:01,983 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:01,983 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 01:02:02,245 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 01:02:02,246 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 01:02:02,249 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 01:02:02,251 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:02,251 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:02,259 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 01:02:02,261 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 01:02:02,265 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:02,266 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:02,268 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 01:02:02,268 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 01:02:02,270 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:02,271 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:02,272 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:02,273 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 01:02:02,274 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 01:02:02,275 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 01:02:02,275 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:02,276 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 01:02:02,276 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 01:02:02,323 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 01:02:02,323 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:02:02,333 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 01:02:02,830 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330704,330717] [2022-11-26 01:02:02,833 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330873,330886] [2022-11-26 01:02:02,834 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331040,331053] [2022-11-26 01:02:02,835 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331208,331221] [2022-11-26 01:02:02,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:02,927 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:02:03,074 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:02:03,077 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:02:03,078 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 01:02:03,084 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:03,085 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:03,085 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 01:02:03,087 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 01:02:03,088 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-26 01:02:03,089 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-26 01:02:03,092 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 01:02:03,093 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:03,094 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 01:02:03,096 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 01:02:03,098 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 01:02:03,099 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 01:02:03,100 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:03,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,101 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 01:02:03,105 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 01:02:03,107 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,111 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 01:02:03,112 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 01:02:03,113 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:02:03,115 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 01:02:03,116 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:02:03,116 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:02:03,125 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,129 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:03,130 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:03,130 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 01:02:03,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,133 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 01:02:03,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,137 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,137 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,141 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,141 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,142 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,142 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,143 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,143 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,144 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,144 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,144 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,145 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,145 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,145 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,146 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,146 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,146 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,147 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,147 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,147 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,148 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 01:02:03,148 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:03,148 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,149 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,150 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,153 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:03,154 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,157 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,157 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,158 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:03,160 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,160 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,160 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,161 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,161 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,162 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,163 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,163 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,164 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,164 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,166 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:03,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,168 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,168 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,169 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,169 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,169 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,170 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,170 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,171 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,171 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,171 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,172 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,172 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,173 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,173 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,175 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 01:02:03,176 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 01:02:03,176 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 01:02:03,177 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 01:02:03,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,181 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,181 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 01:02:03,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,182 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:03,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,183 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,183 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,184 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,184 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,185 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,185 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,185 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,185 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,186 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,186 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,187 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,187 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,187 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,187 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,188 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,188 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,188 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,188 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,189 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,189 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,189 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,189 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,190 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,190 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,190 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,190 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,191 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,191 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,191 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,191 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,191 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,192 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,192 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,193 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,193 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,193 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,193 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,194 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,194 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,194 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,194 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,195 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,195 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,195 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,195 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,196 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,196 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,196 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,196 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,196 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,197 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,197 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,197 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,197 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,198 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,198 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:03,198 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,198 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,199 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,199 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,199 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,199 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,199 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,200 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,202 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 01:02:03,203 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,204 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,204 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,205 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:03,205 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:03,206 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:03,207 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:03,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,210 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 01:02:03,211 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,211 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,212 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:03,213 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,213 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,213 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,213 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,214 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,214 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,215 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,215 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,215 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:03,216 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,216 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 01:02:03,218 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,219 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,228 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,229 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,230 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,232 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,239 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,239 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,240 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:03,241 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:03,241 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 01:02:03,242 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:03,242 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:03,243 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:03,244 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:03,245 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:03,245 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 01:02:03,252 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 01:02:03,253 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 01:02:03,255 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 01:02:03,257 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:03,258 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:03,264 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 01:02:03,265 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 01:02:03,273 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:03,273 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:03,328 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 01:02:03,328 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 01:02:03,329 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:03,329 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:03,330 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:03,330 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 01:02:03,330 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 01:02:03,331 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 01:02:03,331 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:03,331 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 01:02:03,332 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 01:02:03,334 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 01:02:03,334 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:02:03,335 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 01:02:03,355 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330704,330717] [2022-11-26 01:02:03,356 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330873,330886] [2022-11-26 01:02:03,356 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331040,331053] [2022-11-26 01:02:03,356 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_40540724-6c35-4516-82ca-b2f780b1306c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331208,331221] [2022-11-26 01:02:03,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:03,543 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:02:03,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03 WrapperNode [2022-11-26 01:02:03,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:03,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:03,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:02:03,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:02:03,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:03,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:03,856 INFO L138 Inliner]: procedures = 423, calls = 1852, calls flagged for inlining = 204, calls inlined = 187, statements flattened = 4788 [2022-11-26 01:02:03,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:03,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:02:03,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:02:03,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:02:03,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:03,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:03,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:03,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:04,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:04,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:04,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:04,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:04,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:02:04,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:02:04,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:02:04,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:02:04,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (1/1) ... [2022-11-26 01:02:04,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:04,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:04,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:02:04,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40540724-6c35-4516-82ca-b2f780b1306c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:02:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 01:02:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 01:02:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 01:02:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 01:02:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 01:02:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 01:02:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 01:02:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 01:02:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 01:02:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 01:02:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-26 01:02:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-26 01:02:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-26 01:02:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-26 01:02:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure desc_to_dma [2022-11-26 01:02:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_to_dma [2022-11-26 01:02:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-26 01:02:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-26 01:02:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-26 01:02:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-26 01:02:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 01:02:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 01:02:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 01:02:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 01:02:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure mii_write [2022-11-26 01:02:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_write [2022-11-26 01:02:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 01:02:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 01:02:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-26 01:02:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-26 01:02:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 01:02:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 01:02:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 01:02:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 01:02:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 01:02:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 01:02:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast [2022-11-26 01:02:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast [2022-11-26 01:02:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-26 01:02:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-26 01:02:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:02:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-26 01:02:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-26 01:02:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 01:02:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 01:02:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 01:02:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 01:02:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 01:02:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 01:02:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 01:02:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 01:02:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 01:02:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 01:02:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 01:02:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 01:02:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:02:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 01:02:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 01:02:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 01:02:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 01:02:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 01:02:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 01:02:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 01:02:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 01:02:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 01:02:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 01:02:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 01:02:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 01:02:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 01:02:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 01:02:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 01:02:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 01:02:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:02:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 01:02:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 01:02:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 01:02:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 01:02:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure rio_close [2022-11-26 01:02:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_close [2022-11-26 01:02:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:02:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2022-11-26 01:02:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2022-11-26 01:02:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 01:02:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 01:02:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 01:02:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 01:02:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:02:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-26 01:02:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-26 01:02:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 01:02:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 01:02:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 01:02:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 01:02:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure mii_read [2022-11-26 01:02:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_read [2022-11-26 01:02:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-26 01:02:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-26 01:02:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-26 01:02:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-26 01:02:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 01:02:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 01:02:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 01:02:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 01:02:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 01:02:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 01:02:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 01:02:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 01:02:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:02:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:02:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 01:02:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 01:02:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 01:02:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 01:02:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 01:02:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 01:02:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 01:02:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 01:02:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2022-11-26 01:02:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2022-11-26 01:02:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 01:02:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 01:02:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 01:02:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 01:02:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-26 01:02:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-26 01:02:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 01:02:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 01:02:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-26 01:02:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-26 01:02:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-26 01:02:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-26 01:02:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 01:02:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 01:02:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:02:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netdev_private [2022-11-26 01:02:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netdev_private [2022-11-26 01:02:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure rio_open [2022-11-26 01:02:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_open [2022-11-26 01:02:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:02:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-26 01:02:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-26 01:02:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2022-11-26 01:02:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2022-11-26 01:02:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:02:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 01:02:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 01:02:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 01:02:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 01:02:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 01:02:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 01:02:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2022-11-26 01:02:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2022-11-26 01:02:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-26 01:02:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-26 01:02:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 01:02:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 01:02:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure rio_free_tx [2022-11-26 01:02:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_free_tx [2022-11-26 01:02:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure rio_tx_timeout [2022-11-26 01:02:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_tx_timeout [2022-11-26 01:02:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netdev_private [2022-11-26 01:02:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netdev_private [2022-11-26 01:02:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove1 [2022-11-26 01:02:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove1 [2022-11-26 01:02:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:02:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 01:02:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 01:02:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2022-11-26 01:02:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2022-11-26 01:02:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2022-11-26 01:02:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2022-11-26 01:02:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 01:02:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 01:02:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media [2022-11-26 01:02:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media [2022-11-26 01:02:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-26 01:02:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-26 01:02:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 01:02:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 01:02:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:02:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 01:02:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 01:02:05,091 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:02:05,094 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:02:05,170 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 01:02:08,589 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 01:02:08,689 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:02:10,723 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:02:10,723 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-26 01:02:10,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:10 BoogieIcfgContainer [2022-11-26 01:02:10,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:02:10,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:02:10,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:02:10,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:02:10,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:01:59" (1/3) ... [2022-11-26 01:02:10,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb288a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:10, skipping insertion in model container [2022-11-26 01:02:10,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:03" (2/3) ... [2022-11-26 01:02:10,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb288a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:10, skipping insertion in model container [2022-11-26 01:02:10,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:10" (3/3) ... [2022-11-26 01:02:10,742 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2022-11-26 01:02:10,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:02:10,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 01:02:10,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:02:10,854 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;@46525218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:02:10,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 01:02:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 1340 states, 778 states have (on average 1.2776349614395888) internal successors, (994), 811 states have internal predecessors, (994), 482 states have call successors, (482), 83 states have call predecessors, (482), 82 states have return successors, (476), 473 states have call predecessors, (476), 476 states have call successors, (476) [2022-11-26 01:02:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-26 01:02:10,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:10,898 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:02:10,899 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 01:02:10,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:10,907 INFO L85 PathProgramCache]: Analyzing trace with hash -322389612, now seen corresponding path program 1 times [2022-11-26 01:02:10,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:10,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369677093] [2022-11-26 01:02:10,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:10,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:02:11,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:11,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369677093] [2022-11-26 01:02:11,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369677093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:11,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:11,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:11,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074893171] [2022-11-26 01:02:11,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:11,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:11,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:11,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:11,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:11,866 INFO L87 Difference]: Start difference. First operand has 1340 states, 778 states have (on average 1.2776349614395888) internal successors, (994), 811 states have internal predecessors, (994), 482 states have call successors, (482), 83 states have call predecessors, (482), 82 states have return successors, (476), 473 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-26 01:02:14,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:17,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:18,135 INFO L93 Difference]: Finished difference Result 3747 states and 5498 transitions. [2022-11-26 01:02:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:18,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2022-11-26 01:02:18,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:18,200 INFO L225 Difference]: With dead ends: 3747 [2022-11-26 01:02:18,200 INFO L226 Difference]: Without dead ends: 2416 [2022-11-26 01:02:18,217 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 01:02:18,224 INFO L413 NwaCegarLoop]: 2054 mSDtfsCounter, 1601 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 3684 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:18,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 3684 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 519 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-26 01:02:18,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2022-11-26 01:02:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2401. [2022-11-26 01:02:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 1392 states have (on average 1.2658045977011494) internal successors, (1762), 1445 states have internal predecessors, (1762), 851 states have call successors, (851), 156 states have call predecessors, (851), 155 states have return successors, (847), 842 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-26 01:02:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3460 transitions. [2022-11-26 01:02:18,649 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3460 transitions. Word has length 111 [2022-11-26 01:02:18,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:18,650 INFO L495 AbstractCegarLoop]: Abstraction has 2401 states and 3460 transitions. [2022-11-26 01:02:18,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-26 01:02:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3460 transitions. [2022-11-26 01:02:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-26 01:02:18,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:18,659 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:02:18,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:02:18,659 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 01:02:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:18,661 INFO L85 PathProgramCache]: Analyzing trace with hash -416360979, now seen corresponding path program 1 times [2022-11-26 01:02:18,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:18,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771186702] [2022-11-26 01:02:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:02:18,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:18,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771186702] [2022-11-26 01:02:18,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771186702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:18,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:18,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:18,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128381188] [2022-11-26 01:02:18,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:18,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:18,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:18,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:18,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:18,989 INFO L87 Difference]: Start difference. First operand 2401 states and 3460 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-26 01:02:22,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:25,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:25,094 INFO L93 Difference]: Finished difference Result 6901 states and 9931 transitions. [2022-11-26 01:02:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:25,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2022-11-26 01:02:25,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:25,129 INFO L225 Difference]: With dead ends: 6901 [2022-11-26 01:02:25,129 INFO L226 Difference]: Without dead ends: 4519 [2022-11-26 01:02:25,143 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 01:02:25,144 INFO L413 NwaCegarLoop]: 2075 mSDtfsCounter, 1623 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 3671 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:25,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 3671 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-26 01:02:25,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2022-11-26 01:02:25,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4478. [2022-11-26 01:02:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4478 states, 2600 states have (on average 1.265) internal successors, (3289), 2701 states have internal predecessors, (3289), 1575 states have call successors, (1575), 303 states have call predecessors, (1575), 300 states have return successors, (1581), 1551 states have call predecessors, (1581), 1571 states have call successors, (1581) [2022-11-26 01:02:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 6445 transitions. [2022-11-26 01:02:25,500 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 6445 transitions. Word has length 115 [2022-11-26 01:02:25,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:25,500 INFO L495 AbstractCegarLoop]: Abstraction has 4478 states and 6445 transitions. [2022-11-26 01:02:25,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-26 01:02:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 6445 transitions. [2022-11-26 01:02:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 01:02:25,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:25,513 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2022-11-26 01:02:25,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:02:25,513 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 01:02:25,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash -998160623, now seen corresponding path program 1 times [2022-11-26 01:02:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:25,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119817419] [2022-11-26 01:02:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-26 01:02:26,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:26,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119817419] [2022-11-26 01:02:26,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119817419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:26,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:26,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:02:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092579058] [2022-11-26 01:02:26,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:26,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:02:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:02:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:02:26,327 INFO L87 Difference]: Start difference. First operand 4478 states and 6445 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 01:02:34,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:38,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:39,533 INFO L93 Difference]: Finished difference Result 11681 states and 16736 transitions. [2022-11-26 01:02:39,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:02:39,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 129 [2022-11-26 01:02:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:39,587 INFO L225 Difference]: With dead ends: 11681 [2022-11-26 01:02:39,588 INFO L226 Difference]: Without dead ends: 7222 [2022-11-26 01:02:39,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:02:39,614 INFO L413 NwaCegarLoop]: 2344 mSDtfsCounter, 3666 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 2627 mSolverCounterSat, 554 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 6300 SdHoareTripleChecker+Invalid, 3182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 2627 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:39,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3795 Valid, 6300 Invalid, 3182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [554 Valid, 2627 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-11-26 01:02:39,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2022-11-26 01:02:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 7161. [2022-11-26 01:02:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7161 states, 4203 states have (on average 1.264572924101832) internal successors, (5315), 4365 states have internal predecessors, (5315), 2430 states have call successors, (2430), 532 states have call predecessors, (2430), 525 states have return successors, (2431), 2388 states have call predecessors, (2431), 2426 states have call successors, (2431) [2022-11-26 01:02:40,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7161 states to 7161 states and 10176 transitions. [2022-11-26 01:02:40,281 INFO L78 Accepts]: Start accepts. Automaton has 7161 states and 10176 transitions. Word has length 129 [2022-11-26 01:02:40,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:40,284 INFO L495 AbstractCegarLoop]: Abstraction has 7161 states and 10176 transitions. [2022-11-26 01:02:40,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 01:02:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 7161 states and 10176 transitions. [2022-11-26 01:02:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-26 01:02:40,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:40,289 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2022-11-26 01:02:40,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:02:40,289 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 01:02:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:40,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2117486866, now seen corresponding path program 1 times [2022-11-26 01:02:40,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:40,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103337322] [2022-11-26 01:02:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-26 01:02:40,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:40,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103337322] [2022-11-26 01:02:40,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103337322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:40,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:40,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:40,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551904369] [2022-11-26 01:02:40,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:40,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:40,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:40,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:40,599 INFO L87 Difference]: Start difference. First operand 7161 states and 10176 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 01:02:44,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:46,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:46,642 INFO L93 Difference]: Finished difference Result 17918 states and 25333 transitions. [2022-11-26 01:02:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:46,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 131 [2022-11-26 01:02:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:46,722 INFO L225 Difference]: With dead ends: 17918 [2022-11-26 01:02:46,722 INFO L226 Difference]: Without dead ends: 10776 [2022-11-26 01:02:46,835 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 01:02:46,839 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 1368 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 3709 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:46,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 3709 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 509 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-26 01:02:46,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10776 states. [2022-11-26 01:02:47,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10776 to 10733. [2022-11-26 01:02:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10733 states, 6254 states have (on average 1.2583946274384394) internal successors, (7870), 6499 states have internal predecessors, (7870), 3610 states have call successors, (3610), 881 states have call predecessors, (3610), 866 states have return successors, (3627), 3523 states have call predecessors, (3627), 3606 states have call successors, (3627) [2022-11-26 01:02:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10733 states to 10733 states and 15107 transitions. [2022-11-26 01:02:47,524 INFO L78 Accepts]: Start accepts. Automaton has 10733 states and 15107 transitions. Word has length 131 [2022-11-26 01:02:47,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:47,525 INFO L495 AbstractCegarLoop]: Abstraction has 10733 states and 15107 transitions. [2022-11-26 01:02:47,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 01:02:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 10733 states and 15107 transitions. [2022-11-26 01:02:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-26 01:02:47,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:47,529 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2022-11-26 01:02:47,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:02:47,529 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 01:02:47,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:47,530 INFO L85 PathProgramCache]: Analyzing trace with hash -514444239, now seen corresponding path program 1 times [2022-11-26 01:02:47,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:47,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557698494] [2022-11-26 01:02:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-11-26 01:02:47,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:47,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557698494] [2022-11-26 01:02:47,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557698494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:47,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:47,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258834683] [2022-11-26 01:02:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:47,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:47,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:47,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:47,756 INFO L87 Difference]: Start difference. First operand 10733 states and 15107 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:02:51,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:54,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:54,560 INFO L93 Difference]: Finished difference Result 30245 states and 42616 transitions. [2022-11-26 01:02:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:54,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2022-11-26 01:02:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:54,678 INFO L225 Difference]: With dead ends: 30245 [2022-11-26 01:02:54,678 INFO L226 Difference]: Without dead ends: 19531 [2022-11-26 01:02:54,733 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 01:02:54,734 INFO L413 NwaCegarLoop]: 2120 mSDtfsCounter, 1650 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 3764 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:54,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 3764 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 509 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-11-26 01:02:54,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19531 states. [2022-11-26 01:02:55,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19531 to 19464. [2022-11-26 01:02:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19464 states, 11327 states have (on average 1.2593802418998852) internal successors, (14265), 11802 states have internal predecessors, (14265), 6565 states have call successors, (6565), 1598 states have call predecessors, (6565), 1569 states have return successors, (6603), 6372 states have call predecessors, (6603), 6561 states have call successors, (6603) [2022-11-26 01:02:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19464 states to 19464 states and 27433 transitions. [2022-11-26 01:02:56,056 INFO L78 Accepts]: Start accepts. Automaton has 19464 states and 27433 transitions. Word has length 133 [2022-11-26 01:02:56,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:56,058 INFO L495 AbstractCegarLoop]: Abstraction has 19464 states and 27433 transitions. [2022-11-26 01:02:56,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:02:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 19464 states and 27433 transitions. [2022-11-26 01:02:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 01:02:56,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:56,062 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2022-11-26 01:02:56,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:02:56,062 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 01:02:56,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:56,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1991236594, now seen corresponding path program 1 times [2022-11-26 01:02:56,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:56,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023308073] [2022-11-26 01:02:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-26 01:02:56,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:56,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023308073] [2022-11-26 01:02:56,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023308073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:56,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:56,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:56,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647631243] [2022-11-26 01:02:56,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:56,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:56,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:56,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:56,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:56,265 INFO L87 Difference]: Start difference. First operand 19464 states and 27433 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 01:02:59,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:04,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:04,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:04,151 INFO L93 Difference]: Finished difference Result 50518 states and 70915 transitions. [2022-11-26 01:03:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:03:04,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 134 [2022-11-26 01:03:04,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:04,343 INFO L225 Difference]: With dead ends: 50518 [2022-11-26 01:03:04,343 INFO L226 Difference]: Without dead ends: 31073 [2022-11-26 01:03:04,429 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 01:03:04,430 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 1397 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 3610 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:04,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 3610 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 530 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-26 01:03:04,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31073 states. [2022-11-26 01:03:06,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31073 to 31032. [2022-11-26 01:03:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31032 states, 18044 states have (on average 1.247783196630459) internal successors, (22515), 18817 states have internal predecessors, (22515), 10366 states have call successors, (10366), 2676 states have call predecessors, (10366), 2619 states have return successors, (10452), 9979 states have call predecessors, (10452), 10362 states have call successors, (10452) [2022-11-26 01:03:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31032 states to 31032 states and 43333 transitions. [2022-11-26 01:03:06,459 INFO L78 Accepts]: Start accepts. Automaton has 31032 states and 43333 transitions. Word has length 134 [2022-11-26 01:03:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:06,459 INFO L495 AbstractCegarLoop]: Abstraction has 31032 states and 43333 transitions. [2022-11-26 01:03:06,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 01:03:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 31032 states and 43333 transitions. [2022-11-26 01:03:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-26 01:03:06,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:06,462 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2022-11-26 01:03:06,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:03:06,462 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 01:03:06,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:06,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1211982689, now seen corresponding path program 1 times [2022-11-26 01:03:06,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:06,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035671015] [2022-11-26 01:03:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:06,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-26 01:03:07,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:07,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035671015] [2022-11-26 01:03:07,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035671015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:07,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:07,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:07,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589452340] [2022-11-26 01:03:07,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:07,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:07,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:07,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:07,229 INFO L87 Difference]: Start difference. First operand 31032 states and 43333 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 01:03:11,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:16,385 INFO L93 Difference]: Finished difference Result 43227 states and 60067 transitions. [2022-11-26 01:03:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:16,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2022-11-26 01:03:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:16,603 INFO L225 Difference]: With dead ends: 43227 [2022-11-26 01:03:16,603 INFO L226 Difference]: Without dead ends: 43225 [2022-11-26 01:03:16,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:03:16,627 INFO L413 NwaCegarLoop]: 2000 mSDtfsCounter, 1385 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 7606 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:16,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 7606 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-26 01:03:16,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43225 states. [2022-11-26 01:03:19,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43225 to 43208. [2022-11-26 01:03:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43208 states, 25084 states have (on average 1.2421065220857916) internal successors, (31157), 26167 states have internal predecessors, (31157), 14384 states have call successors, (14384), 3823 states have call predecessors, (14384), 3737 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:03:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43208 states to 43208 states and 60049 transitions. [2022-11-26 01:03:19,396 INFO L78 Accepts]: Start accepts. Automaton has 43208 states and 60049 transitions. Word has length 153 [2022-11-26 01:03:19,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:19,397 INFO L495 AbstractCegarLoop]: Abstraction has 43208 states and 60049 transitions. [2022-11-26 01:03:19,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 01:03:19,397 INFO L276 IsEmpty]: Start isEmpty. Operand 43208 states and 60049 transitions. [2022-11-26 01:03:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-26 01:03:19,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:19,400 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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] [2022-11-26 01:03:19,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:03:19,401 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 01:03:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash 983513493, now seen corresponding path program 1 times [2022-11-26 01:03:19,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:19,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612561238] [2022-11-26 01:03:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:19,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2022-11-26 01:03:20,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:20,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612561238] [2022-11-26 01:03:20,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612561238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:20,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:20,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:20,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930527981] [2022-11-26 01:03:20,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:20,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:20,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:20,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:20,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:20,219 INFO L87 Difference]: Start difference. First operand 43208 states and 60049 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 01:03:24,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:30,043 INFO L93 Difference]: Finished difference Result 43231 states and 60070 transitions. [2022-11-26 01:03:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:30,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2022-11-26 01:03:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:30,235 INFO L225 Difference]: With dead ends: 43231 [2022-11-26 01:03:30,236 INFO L226 Difference]: Without dead ends: 43229 [2022-11-26 01:03:30,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:03:30,259 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1379 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1390 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:30,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1390 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-11-26 01:03:30,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43229 states. [2022-11-26 01:03:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43229 to 43212. [2022-11-26 01:03:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43212 states, 25087 states have (on average 1.2420775700562043) internal successors, (31160), 26170 states have internal predecessors, (31160), 14384 states have call successors, (14384), 3824 states have call predecessors, (14384), 3738 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:03:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43212 states to 43212 states and 60052 transitions. [2022-11-26 01:03:32,841 INFO L78 Accepts]: Start accepts. Automaton has 43212 states and 60052 transitions. Word has length 161 [2022-11-26 01:03:32,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:32,843 INFO L495 AbstractCegarLoop]: Abstraction has 43212 states and 60052 transitions. [2022-11-26 01:03:32,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 01:03:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 43212 states and 60052 transitions. [2022-11-26 01:03:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-26 01:03:32,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:32,847 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:32,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 01:03:32,848 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:03:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:32,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1727164250, now seen corresponding path program 1 times [2022-11-26 01:03:32,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:32,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463233046] [2022-11-26 01:03:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2022-11-26 01:03:33,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:33,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463233046] [2022-11-26 01:03:33,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463233046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:33,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:33,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:33,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834918455] [2022-11-26 01:03:33,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:33,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:33,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:33,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:33,520 INFO L87 Difference]: Start difference. First operand 43212 states and 60052 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 01:03:37,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:42,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:43,039 INFO L93 Difference]: Finished difference Result 43235 states and 60073 transitions. [2022-11-26 01:03:43,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:43,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 166 [2022-11-26 01:03:43,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:43,236 INFO L225 Difference]: With dead ends: 43235 [2022-11-26 01:03:43,236 INFO L226 Difference]: Without dead ends: 43233 [2022-11-26 01:03:43,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:03:43,260 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1379 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:43,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-26 01:03:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43233 states. [2022-11-26 01:03:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43233 to 43216. [2022-11-26 01:03:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43216 states, 25090 states have (on average 1.2420486249501794) internal successors, (31163), 26173 states have internal predecessors, (31163), 14384 states have call successors, (14384), 3825 states have call predecessors, (14384), 3739 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:03:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43216 states to 43216 states and 60055 transitions. [2022-11-26 01:03:45,875 INFO L78 Accepts]: Start accepts. Automaton has 43216 states and 60055 transitions. Word has length 166 [2022-11-26 01:03:45,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:45,876 INFO L495 AbstractCegarLoop]: Abstraction has 43216 states and 60055 transitions. [2022-11-26 01:03:45,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 01:03:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 43216 states and 60055 transitions. [2022-11-26 01:03:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-26 01:03:45,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:45,881 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 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] [2022-11-26 01:03:45,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 01:03:45,881 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 01:03:45,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:45,882 INFO L85 PathProgramCache]: Analyzing trace with hash -461043268, now seen corresponding path program 1 times [2022-11-26 01:03:45,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:45,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597370840] [2022-11-26 01:03:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-11-26 01:03:46,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:46,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597370840] [2022-11-26 01:03:46,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597370840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:46,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:46,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:46,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312164919] [2022-11-26 01:03:46,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:46,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:46,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:46,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:46,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:46,296 INFO L87 Difference]: Start difference. First operand 43216 states and 60055 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 01:03:50,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:54,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:55,488 INFO L93 Difference]: Finished difference Result 43239 states and 60076 transitions. [2022-11-26 01:03:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:55,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2022-11-26 01:03:55,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:55,666 INFO L225 Difference]: With dead ends: 43239 [2022-11-26 01:03:55,666 INFO L226 Difference]: Without dead ends: 43237 [2022-11-26 01:03:55,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:03:55,694 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1380 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:55,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-26 01:03:55,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43237 states. [2022-11-26 01:03:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43237 to 43220. [2022-11-26 01:03:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43220 states, 25093 states have (on average 1.2420196867652333) internal successors, (31166), 26176 states have internal predecessors, (31166), 14384 states have call successors, (14384), 3826 states have call predecessors, (14384), 3740 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:03:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43220 states to 43220 states and 60058 transitions. [2022-11-26 01:03:58,172 INFO L78 Accepts]: Start accepts. Automaton has 43220 states and 60058 transitions. Word has length 168 [2022-11-26 01:03:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:58,173 INFO L495 AbstractCegarLoop]: Abstraction has 43220 states and 60058 transitions. [2022-11-26 01:03:58,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 01:03:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 43220 states and 60058 transitions. [2022-11-26 01:03:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-26 01:03:58,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:58,178 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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] [2022-11-26 01:03:58,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 01:03:58,179 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 01:03:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1995378593, now seen corresponding path program 1 times [2022-11-26 01:03:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:58,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179385901] [2022-11-26 01:03:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:58,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-11-26 01:03:58,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:58,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179385901] [2022-11-26 01:03:58,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179385901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:58,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:58,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:58,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780956163] [2022-11-26 01:03:58,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:58,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:58,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:58,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:58,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:58,571 INFO L87 Difference]: Start difference. First operand 43220 states and 60058 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 01:04:02,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:07,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:08,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:08,737 INFO L93 Difference]: Finished difference Result 43243 states and 60079 transitions. [2022-11-26 01:04:08,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:04:08,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 173 [2022-11-26 01:04:08,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:08,875 INFO L225 Difference]: With dead ends: 43243 [2022-11-26 01:04:08,875 INFO L226 Difference]: Without dead ends: 43241 [2022-11-26 01:04:08,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:04:08,892 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1380 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:08,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 01:04:08,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43241 states. [2022-11-26 01:04:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43241 to 43224. [2022-11-26 01:04:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43224 states, 25096 states have (on average 1.2419907554988843) internal successors, (31169), 26179 states have internal predecessors, (31169), 14384 states have call successors, (14384), 3827 states have call predecessors, (14384), 3741 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:04:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43224 states to 43224 states and 60061 transitions. [2022-11-26 01:04:11,221 INFO L78 Accepts]: Start accepts. Automaton has 43224 states and 60061 transitions. Word has length 173 [2022-11-26 01:04:11,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:11,222 INFO L495 AbstractCegarLoop]: Abstraction has 43224 states and 60061 transitions. [2022-11-26 01:04:11,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 01:04:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 43224 states and 60061 transitions. [2022-11-26 01:04:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-26 01:04:11,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:11,227 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 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] [2022-11-26 01:04:11,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 01:04:11,228 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 01:04:11,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:11,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1807233188, now seen corresponding path program 1 times [2022-11-26 01:04:11,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:11,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834688742] [2022-11-26 01:04:11,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:11,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-11-26 01:04:11,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:11,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834688742] [2022-11-26 01:04:11,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834688742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:11,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:11,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208547397] [2022-11-26 01:04:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:11,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:11,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:11,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:11,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:11,766 INFO L87 Difference]: Start difference. First operand 43224 states and 60061 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 01:04:16,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:21,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:21,744 INFO L93 Difference]: Finished difference Result 43247 states and 60082 transitions. [2022-11-26 01:04:21,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:04:21,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 178 [2022-11-26 01:04:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:21,883 INFO L225 Difference]: With dead ends: 43247 [2022-11-26 01:04:21,883 INFO L226 Difference]: Without dead ends: 43245 [2022-11-26 01:04:21,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:04:21,901 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1380 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:21,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 01:04:21,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43245 states. [2022-11-26 01:04:23,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43245 to 43228. [2022-11-26 01:04:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43228 states, 25099 states have (on average 1.2419618311486513) internal successors, (31172), 26182 states have internal predecessors, (31172), 14384 states have call successors, (14384), 3828 states have call predecessors, (14384), 3742 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:04:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43228 states to 43228 states and 60064 transitions. [2022-11-26 01:04:23,925 INFO L78 Accepts]: Start accepts. Automaton has 43228 states and 60064 transitions. Word has length 178 [2022-11-26 01:04:23,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:23,925 INFO L495 AbstractCegarLoop]: Abstraction has 43228 states and 60064 transitions. [2022-11-26 01:04:23,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 01:04:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 43228 states and 60064 transitions. [2022-11-26 01:04:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-26 01:04:23,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:23,930 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 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] [2022-11-26 01:04:23,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 01:04:23,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 01:04:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1711119132, now seen corresponding path program 1 times [2022-11-26 01:04:23,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:23,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555007946] [2022-11-26 01:04:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-11-26 01:04:24,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:24,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555007946] [2022-11-26 01:04:24,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555007946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:24,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:24,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:24,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007584701] [2022-11-26 01:04:24,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:24,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:24,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:24,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:24,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:24,364 INFO L87 Difference]: Start difference. First operand 43228 states and 60064 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:04:28,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:33,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:33,914 INFO L93 Difference]: Finished difference Result 43251 states and 60085 transitions. [2022-11-26 01:04:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:04:33,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 187 [2022-11-26 01:04:33,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:34,056 INFO L225 Difference]: With dead ends: 43251 [2022-11-26 01:04:34,056 INFO L226 Difference]: Without dead ends: 43249 [2022-11-26 01:04:34,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:04:34,071 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1379 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:34,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-26 01:04:34,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43249 states. [2022-11-26 01:04:36,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43249 to 43232. [2022-11-26 01:04:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43232 states, 25102 states have (on average 1.2419329137120547) internal successors, (31175), 26185 states have internal predecessors, (31175), 14384 states have call successors, (14384), 3829 states have call predecessors, (14384), 3743 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:04:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43232 states to 43232 states and 60067 transitions. [2022-11-26 01:04:36,283 INFO L78 Accepts]: Start accepts. Automaton has 43232 states and 60067 transitions. Word has length 187 [2022-11-26 01:04:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:36,284 INFO L495 AbstractCegarLoop]: Abstraction has 43232 states and 60067 transitions. [2022-11-26 01:04:36,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:04:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 43232 states and 60067 transitions. [2022-11-26 01:04:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-26 01:04:36,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:36,289 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 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] [2022-11-26 01:04:36,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 01:04:36,290 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 01:04:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:36,291 INFO L85 PathProgramCache]: Analyzing trace with hash -239636299, now seen corresponding path program 1 times [2022-11-26 01:04:36,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:36,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865465695] [2022-11-26 01:04:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:36,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-11-26 01:04:36,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:36,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865465695] [2022-11-26 01:04:36,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865465695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:36,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:36,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:36,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615819871] [2022-11-26 01:04:36,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:36,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:36,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:36,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:36,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:36,678 INFO L87 Difference]: Start difference. First operand 43232 states and 60067 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 01:04:40,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:45,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:47,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:47,010 INFO L93 Difference]: Finished difference Result 43255 states and 60088 transitions. [2022-11-26 01:04:47,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:04:47,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 191 [2022-11-26 01:04:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:47,130 INFO L225 Difference]: With dead ends: 43255 [2022-11-26 01:04:47,130 INFO L226 Difference]: Without dead ends: 43253 [2022-11-26 01:04:47,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:04:47,145 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1379 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:47,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-11-26 01:04:47,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43253 states. [2022-11-26 01:04:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43253 to 43236. [2022-11-26 01:04:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43236 states, 25105 states have (on average 1.2419040031866162) internal successors, (31178), 26188 states have internal predecessors, (31178), 14384 states have call successors, (14384), 3830 states have call predecessors, (14384), 3744 states have return successors, (14508), 13806 states have call predecessors, (14508), 14376 states have call successors, (14508) [2022-11-26 01:04:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43236 states to 43236 states and 60070 transitions. [2022-11-26 01:04:49,641 INFO L78 Accepts]: Start accepts. Automaton has 43236 states and 60070 transitions. Word has length 191 [2022-11-26 01:04:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:49,642 INFO L495 AbstractCegarLoop]: Abstraction has 43236 states and 60070 transitions. [2022-11-26 01:04:49,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 01:04:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 43236 states and 60070 transitions. [2022-11-26 01:04:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-26 01:04:49,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:49,648 INFO L195 NwaCegarLoop]: trace histogram [15, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 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] [2022-11-26 01:04:49,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 01:04:49,649 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 01:04:49,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:49,649 INFO L85 PathProgramCache]: Analyzing trace with hash -464191410, now seen corresponding path program 1 times [2022-11-26 01:04:49,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:49,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679469820] [2022-11-26 01:04:49,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:49,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-11-26 01:04:50,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:50,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679469820] [2022-11-26 01:04:50,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679469820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:50,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:50,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:50,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218969077] [2022-11-26 01:04:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:50,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:50,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:50,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:50,413 INFO L87 Difference]: Start difference. First operand 43236 states and 60070 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 01:04:54,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:59,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:01,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:03,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:03,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:03,494 INFO L93 Difference]: Finished difference Result 73377 states and 101860 transitions. [2022-11-26 01:05:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:05:03,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 190 [2022-11-26 01:05:03,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:03,755 INFO L225 Difference]: With dead ends: 73377 [2022-11-26 01:05:03,755 INFO L226 Difference]: Without dead ends: 73375 [2022-11-26 01:05:03,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:05:03,782 INFO L413 NwaCegarLoop]: 2210 mSDtfsCounter, 1586 mSDsluCounter, 6024 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:03,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 8234 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1199 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-11-26 01:05:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73375 states. [2022-11-26 01:05:07,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73375 to 73302. [2022-11-26 01:05:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73302 states, 42608 states have (on average 1.242747840781074) internal successors, (52951), 44499 states have internal predecessors, (52951), 24278 states have call successors, (24278), 6591 states have call predecessors, (24278), 6413 states have return successors, (24492), 23232 states have call predecessors, (24492), 24270 states have call successors, (24492) [2022-11-26 01:05:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73302 states to 73302 states and 101721 transitions. [2022-11-26 01:05:07,699 INFO L78 Accepts]: Start accepts. Automaton has 73302 states and 101721 transitions. Word has length 190 [2022-11-26 01:05:07,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:07,700 INFO L495 AbstractCegarLoop]: Abstraction has 73302 states and 101721 transitions. [2022-11-26 01:05:07,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 01:05:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand 73302 states and 101721 transitions. [2022-11-26 01:05:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-26 01:05:07,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:07,716 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2022-11-26 01:05:07,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 01:05:07,716 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 01:05:07,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:07,717 INFO L85 PathProgramCache]: Analyzing trace with hash 845983932, now seen corresponding path program 1 times [2022-11-26 01:05:07,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:07,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113130143] [2022-11-26 01:05:07,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:07,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-26 01:05:08,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:08,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113130143] [2022-11-26 01:05:08,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113130143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:08,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:08,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:05:08,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236807785] [2022-11-26 01:05:08,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:08,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:05:08,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:08,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:05:08,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:08,102 INFO L87 Difference]: Start difference. First operand 73302 states and 101721 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 01:05:12,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:18,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:18,053 INFO L93 Difference]: Finished difference Result 73325 states and 101742 transitions. [2022-11-26 01:05:18,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:05:18,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 197 [2022-11-26 01:05:18,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:18,288 INFO L225 Difference]: With dead ends: 73325 [2022-11-26 01:05:18,289 INFO L226 Difference]: Without dead ends: 73323 [2022-11-26 01:05:18,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:05:18,312 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1379 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:18,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 7609 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-26 01:05:18,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73323 states.