./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-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:01:29,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:01:29,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:01:29,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:01:29,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:01:29,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:01:29,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:01:29,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:01:29,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:01:29,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:01:29,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:01:29,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:01:29,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:01:29,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:01:29,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:01:29,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:01:29,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:01:29,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:01:29,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:01:29,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:01:29,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:01:29,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:01:29,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:01:29,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:01:29,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:01:29,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:01:29,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:01:29,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:01:29,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:01:29,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:01:29,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:01:29,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:01:29,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:01:29,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:01:29,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:01:29,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:01:29,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:01:29,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:01:29,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:01:29,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:01:29,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:01:29,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:01:29,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:01:29,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:01:29,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:01:29,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:01:29,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:01:29,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:01:29,843 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:01:29,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:01:29,849 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:01:29,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:01:29,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:01:29,850 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:01:29,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:01:29,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:01:29,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:01:29,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:01:29,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:01:29,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:01:29,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:01:29,853 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_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-12-14 07:01:30,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:01:30,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:01:30,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:01:30,042 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:01:30,042 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:01:30,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-12-14 07:01:32,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:01:33,132 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:01:33,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-12-14 07:01:33,175 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/data/1417a0afd/a5fb43f7a42447c6aa104c9a9f480789/FLAGce160b63b [2022-12-14 07:01:33,676 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/data/1417a0afd/a5fb43f7a42447c6aa104c9a9f480789 [2022-12-14 07:01:33,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:01:33,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:01:33,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:01:33,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:01:33,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:01:33,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:33" (1/1) ... [2022-12-14 07:01:33,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da1c989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:33, skipping insertion in model container [2022-12-14 07:01:33,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:33" (1/1) ... [2022-12-14 07:01:33,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:01:33,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:01:34,262 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:01:34,277 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:01:34,333 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:01:34,337 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:01:34,337 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 07:01:34,345 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 07:01:34,407 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 07:01:34,442 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 07:01:34,443 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 07:01:34,452 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:01:34,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,467 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 07:01:34,532 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 07:01:34,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,533 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,537 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:01:34,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,540 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:01:34,547 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:34,547 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-14 07:01:34,548 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 07:01:34,550 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:34,553 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:01:34,553 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:34,553 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:01:34,555 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-12-14 07:01:34,556 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:34,556 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 07:01:34,557 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:01:34,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,597 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:01:34,655 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:34,669 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 07:01:34,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,716 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 07:01:34,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,718 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:34,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,723 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:34,753 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:34,755 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 07:01:34,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,756 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:34,756 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:01:34,758 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:34,760 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:01:34,761 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 07:01:34,761 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 07:01:34,762 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 07:01:34,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,763 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:34,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:34,764 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 07:01:34,804 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,805 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,806 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,807 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,808 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,808 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,808 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,809 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:34,893 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:01:34,898 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:01:34,910 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 07:01:34,999 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,143 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,155 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 07:01:35,156 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 07:01:35,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,171 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,172 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,172 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,173 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,194 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,206 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,229 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,240 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,246 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,246 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,251 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 07:01:35,252 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 07:01:35,257 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,258 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,266 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,313 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,331 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,341 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,342 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,345 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,345 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,351 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,351 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,368 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,369 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,380 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,390 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:35,396 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:35,397 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,403 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,409 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:35,410 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,422 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,422 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,423 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,432 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:35,438 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,443 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,457 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 07:01:35,457 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,463 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 07:01:35,463 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,468 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:01:35,468 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 07:01:35,469 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:35,470 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:35,470 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:35,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,472 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:35,472 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,473 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:35,474 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:35,474 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,480 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:35,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,494 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,495 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,496 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,497 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,497 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,500 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,501 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,538 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,539 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,539 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-12-14 07:01:35,596 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:01:35,627 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:01:35,632 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:01:35,649 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 07:01:35,685 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 07:01:35,690 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:01:35,690 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 07:01:35,790 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,791 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,791 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,791 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 07:01:35,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,793 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:01:35,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,795 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:01:35,795 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,795 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,795 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,797 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:01:35,804 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:35,804 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:01:35,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,810 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 07:01:35,810 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,810 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:35,811 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:01:35,811 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 07:01:35,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,822 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 07:01:35,822 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 07:01:35,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,823 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 07:01:35,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,823 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:35,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,824 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,824 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:35,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,830 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 07:01:35,831 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:35,832 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:01:35,836 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:01:35,837 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:01:35,839 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 07:01:35,840 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:35,840 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 07:01:35,840 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:35,840 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:01:35,841 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:35,841 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:35,841 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:35,841 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:35,843 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:35,900 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 07:01:35,901 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 07:01:35,901 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 07:01:35,903 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 07:01:35,903 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 07:01:35,903 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:01:35,991 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 07:01:35,996 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 07:01:36,000 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 07:01:36,054 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 07:01:36,066 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 07:01:36,105 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-12-14 07:01:36,105 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-12-14 07:01:36,105 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-12-14 07:01:36,105 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-12-14 07:01:36,106 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-12-14 07:01:36,106 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-12-14 07:01:36,106 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-12-14 07:01:36,106 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-12-14 07:01:36,122 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:01:36,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,124 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 07:01:36,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,125 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 07:01:36,126 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 07:01:36,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,127 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 07:01:36,127 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:01:36,127 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:01:36,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,129 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 07:01:36,129 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:01:36,129 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:01:36,130 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 07:01:36,131 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:01:36,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,132 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:01:36,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,132 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 07:01:36,132 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:01:36,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,326 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:01:36,326 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:01:36,330 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:01:36,334 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:01:36,335 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:01:36,335 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:01:36,335 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:01:36,335 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:01:36,335 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 07:01:36,336 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 07:01:36,356 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-14 07:01:36,357 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,357 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,367 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,368 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,371 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 07:01:36,373 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 07:01:36,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,384 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 07:01:36,384 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 07:01:36,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,431 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:01:36,431 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:01:36,441 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:01:36,697 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-12-14 07:01:36,699 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-12-14 07:01:36,700 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-12-14 07:01:36,700 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-12-14 07:01:36,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,702 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,707 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,718 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,718 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,718 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:01:36,770 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:01:36,837 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:01:36,838 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:01:36,840 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:01:36,841 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:01:36,841 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 07:01:36,842 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 07:01:36,844 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 07:01:36,844 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 07:01:36,845 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 07:01:36,845 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:01:36,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,846 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 07:01:36,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 07:01:36,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,849 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,851 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:01:36,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,852 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:01:36,853 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:36,853 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-14 07:01:36,853 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 07:01:36,854 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:36,856 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:01:36,856 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:36,856 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:01:36,859 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-12-14 07:01:36,859 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:01:36,859 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 07:01:36,860 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:01:36,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,863 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:01:36,864 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:36,864 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 07:01:36,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,867 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,868 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 07:01:36,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,870 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,873 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:36,873 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:36,873 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 07:01:36,873 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,874 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,874 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:01:36,875 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,876 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:01:36,876 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 07:01:36,876 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 07:01:36,877 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 07:01:36,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,877 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,878 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 07:01:36,879 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,879 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,879 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,880 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,880 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,880 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,880 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,881 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:36,882 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:01:36,882 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:01:36,882 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 07:01:36,883 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,889 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,889 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,891 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 07:01:36,891 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 07:01:36,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,894 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,894 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,894 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,895 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,898 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,898 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,905 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,907 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,907 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,907 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,908 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 07:01:36,908 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 07:01:36,909 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,911 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,912 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,920 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,923 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,925 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,925 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,927 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,927 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,928 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,928 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,934 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,934 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,936 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,937 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:36,948 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:36,948 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,951 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:36,952 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,955 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,956 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,956 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,957 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:36,959 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,960 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,964 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 07:01:36,964 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,966 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 07:01:36,966 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,967 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:01:36,967 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 07:01:36,968 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:36,969 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:36,970 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:36,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,971 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:01:36,971 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,972 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:36,973 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:36,973 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,975 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:01:36,979 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,982 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,983 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:36,985 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,986 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:36,993 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:36,993 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:36,994 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-12-14 07:01:37,001 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:01:37,002 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:01:37,003 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:01:37,003 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 07:01:37,005 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 07:01:37,006 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:01:37,006 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 07:01:37,008 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,008 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,009 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,009 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 07:01:37,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,010 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:01:37,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,011 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:01:37,012 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,012 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,012 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,014 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:01:37,016 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:37,016 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:01:37,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,017 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 07:01:37,017 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,018 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:01:37,018 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:01:37,018 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 07:01:37,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,020 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 07:01:37,020 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 07:01:37,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,021 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 07:01:37,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,021 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:37,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,022 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:37,022 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:37,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,028 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 07:01:37,029 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:37,029 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:01:37,030 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:01:37,030 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:01:37,037 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 07:01:37,037 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:37,037 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 07:01:37,037 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:37,037 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:01:37,038 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:37,038 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:37,038 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:37,038 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:37,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,042 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 07:01:37,043 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 07:01:37,043 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 07:01:37,046 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 07:01:37,047 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 07:01:37,047 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:01:37,047 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 07:01:37,048 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 07:01:37,049 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 07:01:37,050 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 07:01:37,050 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 07:01:37,051 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-12-14 07:01:37,051 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-12-14 07:01:37,051 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-12-14 07:01:37,051 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-12-14 07:01:37,051 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-12-14 07:01:37,051 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-12-14 07:01:37,052 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-12-14 07:01:37,052 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-12-14 07:01:37,052 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:01:37,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,054 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 07:01:37,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,055 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 07:01:37,055 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 07:01:37,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,056 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 07:01:37,056 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:01:37,056 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:01:37,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,058 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 07:01:37,058 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:01:37,058 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:01:37,058 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 07:01:37,059 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:01:37,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,059 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:01:37,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,060 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 07:01:37,060 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:01:37,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,065 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:01:37,065 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:01:37,068 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:01:37,072 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:01:37,073 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:01:37,073 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:01:37,073 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:01:37,073 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:01:37,073 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 07:01:37,074 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 07:01:37,076 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-14 07:01:37,077 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:37,077 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:37,081 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 07:01:37,082 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 07:01:37,094 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 07:01:37,096 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 07:01:37,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,101 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 07:01:37,102 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 07:01:37,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:01:37,108 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:01:37,108 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:01:37,109 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:01:37,116 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-12-14 07:01:37,117 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-12-14 07:01:37,117 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-12-14 07:01:37,117 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_0b321e90-f72c-4d1c-97e0-c50396375187/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-12-14 07:01:37,118 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,119 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,120 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,121 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,122 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,123 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,123 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:37,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:01:37,245 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:01:37,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37 WrapperNode [2022-12-14 07:01:37,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:01:37,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:01:37,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:01:37,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:01:37,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,546 INFO L138 Inliner]: procedures = 538, calls = 6342, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 9020 [2022-12-14 07:01:37,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:01:37,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:01:37,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:01:37,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:01:37,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:01:37,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:01:37,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:01:37,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:01:37,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (1/1) ... [2022-12-14 07:01:37,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:01:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:01:37,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:01:37,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b321e90-f72c-4d1c-97e0-c50396375187/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:01:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-12-14 07:01:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-12-14 07:01:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-12-14 07:01:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 07:01:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:01:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-12-14 07:01:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-12-14 07:01:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-12-14 07:01:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-12-14 07:01:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-12-14 07:01:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-12-14 07:01:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-12-14 07:01:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 07:01:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-12-14 07:01:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 07:01:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-14 07:01:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-14 07:01:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 07:01:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 07:01:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 07:01:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 07:01:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 07:01:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 07:01:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-12-14 07:01:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 07:01:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 07:01:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 07:01:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 07:01:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-12-14 07:01:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 07:01:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 07:01:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 07:01:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-12-14 07:01:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-12-14 07:01:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 07:01:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:01:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:01:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-12-14 07:01:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-12-14 07:01:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-12-14 07:01:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 07:01:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 07:01:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:01:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-12-14 07:01:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-14 07:01:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 07:01:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:01:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-12-14 07:01:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-12-14 07:01:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-12-14 07:01:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-12-14 07:01:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-12-14 07:01:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-12-14 07:01:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-12-14 07:01:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-12-14 07:01:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 07:01:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 07:01:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 07:01:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 07:01:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:01:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 07:01:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 07:01:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-14 07:01:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-14 07:01:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-12-14 07:01:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-12-14 07:01:38,633 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:01:38,637 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:01:39,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:01:44,757 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 07:01:44,943 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:01:46,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:01:46,252 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 07:01:46,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:01:46 BoogieIcfgContainer [2022-12-14 07:01:46,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:01:46,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:01:46,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:01:46,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:01:46,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:01:33" (1/3) ... [2022-12-14 07:01:46,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9fbbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:01:46, skipping insertion in model container [2022-12-14 07:01:46,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:37" (2/3) ... [2022-12-14 07:01:46,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9fbbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:01:46, skipping insertion in model container [2022-12-14 07:01:46,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:01:46" (3/3) ... [2022-12-14 07:01:46,261 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-12-14 07:01:46,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:01:46,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 07:01:46,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:01:46,342 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;@9fe2b41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:01:46,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 07:01:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 1848 states, 1096 states have (on average 1.311131386861314) internal successors, (1437), 1146 states have internal predecessors, (1437), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) [2022-12-14 07:01:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 07:01:46,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:46,360 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:46,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:01:46,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:46,364 INFO L85 PathProgramCache]: Analyzing trace with hash -959963761, now seen corresponding path program 1 times [2022-12-14 07:01:46,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:46,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713450117] [2022-12-14 07:01:46,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:46,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 07:01:47,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:47,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713450117] [2022-12-14 07:01:47,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713450117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:47,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:47,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236238894] [2022-12-14 07:01:47,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:47,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:47,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:47,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:47,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:47,392 INFO L87 Difference]: Start difference. First operand has 1848 states, 1096 states have (on average 1.311131386861314) internal successors, (1437), 1146 states have internal predecessors, (1437), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 07:01:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:50,391 INFO L93 Difference]: Finished difference Result 5449 states and 8044 transitions. [2022-12-14 07:01:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:50,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 81 [2022-12-14 07:01:50,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:50,432 INFO L225 Difference]: With dead ends: 5449 [2022-12-14 07:01:50,432 INFO L226 Difference]: Without dead ends: 3604 [2022-12-14 07:01:50,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:50,455 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 2566 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 5173 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:50,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2566 Valid, 5173 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 07:01:50,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2022-12-14 07:01:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 3598. [2022-12-14 07:01:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2147 states have (on average 1.3041453190498369) internal successors, (2800), 2245 states have internal predecessors, (2800), 1191 states have call successors, (1191), 257 states have call predecessors, (1191), 256 states have return successors, (1187), 1149 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-12-14 07:01:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 5178 transitions. [2022-12-14 07:01:50,747 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 5178 transitions. Word has length 81 [2022-12-14 07:01:50,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:50,748 INFO L495 AbstractCegarLoop]: Abstraction has 3598 states and 5178 transitions. [2022-12-14 07:01:50,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 07:01:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5178 transitions. [2022-12-14 07:01:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 07:01:50,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:50,751 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:50,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:01:50,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:01:50,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1158294486, now seen corresponding path program 1 times [2022-12-14 07:01:50,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:50,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396177267] [2022-12-14 07:01:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 07:01:51,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:51,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396177267] [2022-12-14 07:01:51,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396177267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:51,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:51,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:51,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140546541] [2022-12-14 07:01:51,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:51,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:51,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:51,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:51,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:51,364 INFO L87 Difference]: Start difference. First operand 3598 states and 5178 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 07:01:54,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:54,549 INFO L93 Difference]: Finished difference Result 8958 states and 12889 transitions. [2022-12-14 07:01:54,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:54,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 81 [2022-12-14 07:01:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:54,572 INFO L225 Difference]: With dead ends: 8958 [2022-12-14 07:01:54,572 INFO L226 Difference]: Without dead ends: 5373 [2022-12-14 07:01:54,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:54,586 INFO L413 NwaCegarLoop]: 2898 mSDtfsCounter, 2567 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:54,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 5185 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 07:01:54,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2022-12-14 07:01:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 5351. [2022-12-14 07:01:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5351 states, 3190 states have (on average 1.3031347962382445) internal successors, (4157), 3339 states have internal predecessors, (4157), 1772 states have call successors, (1772), 386 states have call predecessors, (1772), 385 states have return successors, (1768), 1706 states have call predecessors, (1768), 1768 states have call successors, (1768) [2022-12-14 07:01:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 5351 states and 7697 transitions. [2022-12-14 07:01:54,764 INFO L78 Accepts]: Start accepts. Automaton has 5351 states and 7697 transitions. Word has length 81 [2022-12-14 07:01:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:54,764 INFO L495 AbstractCegarLoop]: Abstraction has 5351 states and 7697 transitions. [2022-12-14 07:01:54,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 07:01:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 7697 transitions. [2022-12-14 07:01:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 07:01:54,766 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:54,766 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:54,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:01:54,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:01:54,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash -2019429767, now seen corresponding path program 1 times [2022-12-14 07:01:54,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:54,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969454751] [2022-12-14 07:01:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:54,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 07:01:55,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:55,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969454751] [2022-12-14 07:01:55,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969454751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:55,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:55,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:01:55,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242678396] [2022-12-14 07:01:55,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:55,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:01:55,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:55,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:01:55,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:01:55,895 INFO L87 Difference]: Start difference. First operand 5351 states and 7697 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:02:04,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:04,171 INFO L93 Difference]: Finished difference Result 16156 states and 23117 transitions. [2022-12-14 07:02:04,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:02:04,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2022-12-14 07:02:04,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:04,215 INFO L225 Difference]: With dead ends: 16156 [2022-12-14 07:02:04,215 INFO L226 Difference]: Without dead ends: 10818 [2022-12-14 07:02:04,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:02:04,235 INFO L413 NwaCegarLoop]: 3303 mSDtfsCounter, 6087 mSDsluCounter, 5371 mSDsCounter, 0 mSdLazyCounter, 3441 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6221 SdHoareTripleChecker+Valid, 8674 SdHoareTripleChecker+Invalid, 4376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 3441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:04,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6221 Valid, 8674 Invalid, 4376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [935 Valid, 3441 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 07:02:04,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10818 states. [2022-12-14 07:02:04,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10818 to 10766. [2022-12-14 07:02:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10766 states, 6478 states have (on average 1.302562519296079) internal successors, (8438), 6806 states have internal predecessors, (8438), 3450 states have call successors, (3450), 839 states have call predecessors, (3450), 834 states have return successors, (3446), 3294 states have call predecessors, (3446), 3446 states have call successors, (3446) [2022-12-14 07:02:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 15334 transitions. [2022-12-14 07:02:04,587 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 15334 transitions. Word has length 84 [2022-12-14 07:02:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:04,588 INFO L495 AbstractCegarLoop]: Abstraction has 10766 states and 15334 transitions. [2022-12-14 07:02:04,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:02:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 15334 transitions. [2022-12-14 07:02:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 07:02:04,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:04,589 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:04,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:02:04,589 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:02:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1435957444, now seen corresponding path program 1 times [2022-12-14 07:02:04,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:04,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610780772] [2022-12-14 07:02:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 07:02:04,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:04,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610780772] [2022-12-14 07:02:04,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610780772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:04,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:04,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:02:04,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832975677] [2022-12-14 07:02:04,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:04,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:02:04,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:04,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:02:04,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:02:04,980 INFO L87 Difference]: Start difference. First operand 10766 states and 15334 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:02:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:08,869 INFO L93 Difference]: Finished difference Result 26699 states and 37859 transitions. [2022-12-14 07:02:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:02:08,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2022-12-14 07:02:08,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:08,956 INFO L225 Difference]: With dead ends: 26699 [2022-12-14 07:02:08,957 INFO L226 Difference]: Without dead ends: 15946 [2022-12-14 07:02:08,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:02:08,983 INFO L413 NwaCegarLoop]: 2860 mSDtfsCounter, 2451 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 5090 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:08,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 5090 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 07:02:08,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2022-12-14 07:02:09,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15898. [2022-12-14 07:02:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15898 states, 9560 states have (on average 1.2940376569037657) internal successors, (12371), 10020 states have internal predecessors, (12371), 5044 states have call successors, (5044), 1307 states have call predecessors, (5044), 1290 states have return successors, (5044), 4816 states have call predecessors, (5044), 5040 states have call successors, (5044) [2022-12-14 07:02:09,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15898 states to 15898 states and 22459 transitions. [2022-12-14 07:02:09,474 INFO L78 Accepts]: Start accepts. Automaton has 15898 states and 22459 transitions. Word has length 91 [2022-12-14 07:02:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:09,475 INFO L495 AbstractCegarLoop]: Abstraction has 15898 states and 22459 transitions. [2022-12-14 07:02:09,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:02:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 15898 states and 22459 transitions. [2022-12-14 07:02:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 07:02:09,477 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:09,477 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 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] [2022-12-14 07:02:09,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:02:09,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:02:09,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:09,478 INFO L85 PathProgramCache]: Analyzing trace with hash 195569304, now seen corresponding path program 1 times [2022-12-14 07:02:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:09,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698058841] [2022-12-14 07:02:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-12-14 07:02:10,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:10,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698058841] [2022-12-14 07:02:10,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698058841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:10,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:10,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:10,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607642954] [2022-12-14 07:02:10,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:10,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:10,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:10,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:10,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:10,657 INFO L87 Difference]: Start difference. First operand 15898 states and 22459 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 07:02:15,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:15,338 INFO L93 Difference]: Finished difference Result 15904 states and 22464 transitions. [2022-12-14 07:02:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:02:15,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2022-12-14 07:02:15,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:15,380 INFO L225 Difference]: With dead ends: 15904 [2022-12-14 07:02:15,380 INFO L226 Difference]: Without dead ends: 15902 [2022-12-14 07:02:15,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:02:15,385 INFO L413 NwaCegarLoop]: 2290 mSDtfsCounter, 2603 mSDsluCounter, 4572 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 6862 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:15,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2609 Valid, 6862 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 07:02:15,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15902 states. [2022-12-14 07:02:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15902 to 15902. [2022-12-14 07:02:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15902 states, 9563 states have (on average 1.2939454146188434) internal successors, (12374), 10023 states have internal predecessors, (12374), 5044 states have call successors, (5044), 1308 states have call predecessors, (5044), 1291 states have return successors, (5044), 4816 states have call predecessors, (5044), 5040 states have call successors, (5044) [2022-12-14 07:02:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15902 states to 15902 states and 22462 transitions. [2022-12-14 07:02:15,923 INFO L78 Accepts]: Start accepts. Automaton has 15902 states and 22462 transitions. Word has length 123 [2022-12-14 07:02:15,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:15,924 INFO L495 AbstractCegarLoop]: Abstraction has 15902 states and 22462 transitions. [2022-12-14 07:02:15,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 07:02:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15902 states and 22462 transitions. [2022-12-14 07:02:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 07:02:15,927 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:15,927 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 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] [2022-12-14 07:02:15,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:02:15,927 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:02:15,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:15,928 INFO L85 PathProgramCache]: Analyzing trace with hash -365128563, now seen corresponding path program 1 times [2022-12-14 07:02:15,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:15,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528467307] [2022-12-14 07:02:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:15,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-12-14 07:02:17,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:17,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528467307] [2022-12-14 07:02:17,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528467307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:17,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:17,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:17,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137208372] [2022-12-14 07:02:17,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:17,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:17,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:17,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:17,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:17,017 INFO L87 Difference]: Start difference. First operand 15902 states and 22462 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:02:21,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:21,947 INFO L93 Difference]: Finished difference Result 15908 states and 22467 transitions. [2022-12-14 07:02:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:02:21,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 131 [2022-12-14 07:02:21,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:21,997 INFO L225 Difference]: With dead ends: 15908 [2022-12-14 07:02:21,998 INFO L226 Difference]: Without dead ends: 15906 [2022-12-14 07:02:22,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:02:22,006 INFO L413 NwaCegarLoop]: 2293 mSDtfsCounter, 2597 mSDsluCounter, 4572 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2602 SdHoareTripleChecker+Valid, 6865 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:22,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2602 Valid, 6865 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 07:02:22,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15906 states. [2022-12-14 07:02:22,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15906 to 15906. [2022-12-14 07:02:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15906 states, 9566 states have (on average 1.2938532301902572) internal successors, (12377), 10026 states have internal predecessors, (12377), 5044 states have call successors, (5044), 1309 states have call predecessors, (5044), 1292 states have return successors, (5044), 4816 states have call predecessors, (5044), 5040 states have call successors, (5044) [2022-12-14 07:02:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15906 states to 15906 states and 22465 transitions. [2022-12-14 07:02:22,588 INFO L78 Accepts]: Start accepts. Automaton has 15906 states and 22465 transitions. Word has length 131 [2022-12-14 07:02:22,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:22,588 INFO L495 AbstractCegarLoop]: Abstraction has 15906 states and 22465 transitions. [2022-12-14 07:02:22,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:02:22,588 INFO L276 IsEmpty]: Start isEmpty. Operand 15906 states and 22465 transitions. [2022-12-14 07:02:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 07:02:22,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:22,591 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 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] [2022-12-14 07:02:22,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:02:22,591 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:02:22,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:22,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1287126950, now seen corresponding path program 1 times [2022-12-14 07:02:22,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:22,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038107983] [2022-12-14 07:02:22,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:23,494 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-14 07:02:23,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:23,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038107983] [2022-12-14 07:02:23,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038107983] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:23,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:23,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:23,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126039869] [2022-12-14 07:02:23,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:23,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:23,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:23,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:23,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:23,496 INFO L87 Difference]: Start difference. First operand 15906 states and 22465 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:02:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:30,687 INFO L93 Difference]: Finished difference Result 30878 states and 43836 transitions. [2022-12-14 07:02:30,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:02:30,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 136 [2022-12-14 07:02:30,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:30,779 INFO L225 Difference]: With dead ends: 30878 [2022-12-14 07:02:30,780 INFO L226 Difference]: Without dead ends: 30876 [2022-12-14 07:02:30,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:02:30,793 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 2581 mSDsluCounter, 8244 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 11256 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:30,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 11256 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 07:02:30,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30876 states. [2022-12-14 07:02:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30876 to 30834. [2022-12-14 07:02:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30834 states, 18535 states have (on average 1.2953871054761263) internal successors, (24010), 19461 states have internal predecessors, (24010), 9832 states have call successors, (9832), 2531 states have call predecessors, (9832), 2463 states have return successors, (9948), 9325 states have call predecessors, (9948), 9824 states have call successors, (9948) [2022-12-14 07:02:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30834 states to 30834 states and 43790 transitions. [2022-12-14 07:02:31,937 INFO L78 Accepts]: Start accepts. Automaton has 30834 states and 43790 transitions. Word has length 136 [2022-12-14 07:02:31,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:31,937 INFO L495 AbstractCegarLoop]: Abstraction has 30834 states and 43790 transitions. [2022-12-14 07:02:31,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:02:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 30834 states and 43790 transitions. [2022-12-14 07:02:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 07:02:31,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:31,940 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:31,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:02:31,940 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:02:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash -845806483, now seen corresponding path program 1 times [2022-12-14 07:02:31,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:31,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758887877] [2022-12-14 07:02:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:31,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 07:02:32,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:32,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758887877] [2022-12-14 07:02:32,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758887877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:32,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:32,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:32,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443213166] [2022-12-14 07:02:32,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:32,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:32,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:32,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:32,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:32,830 INFO L87 Difference]: Start difference. First operand 30834 states and 43790 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:02:40,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:40,608 INFO L93 Difference]: Finished difference Result 60150 states and 86594 transitions. [2022-12-14 07:02:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:02:40,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2022-12-14 07:02:40,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:40,783 INFO L225 Difference]: With dead ends: 60150 [2022-12-14 07:02:40,783 INFO L226 Difference]: Without dead ends: 60148 [2022-12-14 07:02:40,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:02:40,804 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 2551 mSDsluCounter, 8225 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 11189 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:40,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 11189 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 07:02:40,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60148 states. [2022-12-14 07:02:43,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60148 to 60120. [2022-12-14 07:02:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60120 states, 36094 states have (on average 1.2952568293899263) internal successors, (46751), 37914 states have internal predecessors, (46751), 19156 states have call successors, (19156), 5002 states have call predecessors, (19156), 4866 states have return successors, (20660), 18123 states have call predecessors, (20660), 19140 states have call successors, (20660) [2022-12-14 07:02:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60120 states to 60120 states and 86567 transitions. [2022-12-14 07:02:43,399 INFO L78 Accepts]: Start accepts. Automaton has 60120 states and 86567 transitions. Word has length 141 [2022-12-14 07:02:43,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:43,399 INFO L495 AbstractCegarLoop]: Abstraction has 60120 states and 86567 transitions. [2022-12-14 07:02:43,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:02:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 60120 states and 86567 transitions. [2022-12-14 07:02:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 07:02:43,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:43,402 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:43,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:02:43,403 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:02:43,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:43,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1985888147, now seen corresponding path program 1 times [2022-12-14 07:02:43,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:43,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222029161] [2022-12-14 07:02:43,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:43,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-12-14 07:02:43,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:43,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222029161] [2022-12-14 07:02:43,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222029161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:43,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:43,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:43,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364351508] [2022-12-14 07:02:43,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:43,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:43,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:43,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:43,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:43,818 INFO L87 Difference]: Start difference. First operand 60120 states and 86567 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 07:02:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:59,817 INFO L93 Difference]: Finished difference Result 178992 states and 257881 transitions. [2022-12-14 07:02:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:02:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 138 [2022-12-14 07:02:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:03:00,222 INFO L225 Difference]: With dead ends: 178992 [2022-12-14 07:03:00,222 INFO L226 Difference]: Without dead ends: 119336 [2022-12-14 07:03:00,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:03:00,394 INFO L413 NwaCegarLoop]: 5011 mSDtfsCounter, 4904 mSDsluCounter, 6438 mSDsCounter, 0 mSdLazyCounter, 5649 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5033 SdHoareTripleChecker+Valid, 11449 SdHoareTripleChecker+Invalid, 5796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 5649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:03:00,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5033 Valid, 11449 Invalid, 5796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 5649 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-12-14 07:03:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119336 states. [2022-12-14 07:03:05,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119336 to 118900. [2022-12-14 07:03:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118900 states, 71312 states have (on average 1.2957566748934262) internal successors, (92403), 74988 states have internal predecessors, (92403), 37944 states have call successors, (37944), 9908 states have call predecessors, (37944), 9640 states have return successors, (40968), 35835 states have call predecessors, (40968), 37928 states have call successors, (40968) [2022-12-14 07:03:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118900 states to 118900 states and 171315 transitions. [2022-12-14 07:03:06,013 INFO L78 Accepts]: Start accepts. Automaton has 118900 states and 171315 transitions. Word has length 138 [2022-12-14 07:03:06,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:03:06,014 INFO L495 AbstractCegarLoop]: Abstraction has 118900 states and 171315 transitions. [2022-12-14 07:03:06,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 07:03:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 118900 states and 171315 transitions. [2022-12-14 07:03:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 07:03:06,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:03:06,019 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 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] [2022-12-14 07:03:06,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:03:06,019 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:03:06,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:03:06,019 INFO L85 PathProgramCache]: Analyzing trace with hash 25834134, now seen corresponding path program 1 times [2022-12-14 07:03:06,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:03:06,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631476053] [2022-12-14 07:03:06,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:03:06,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:03:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:03:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-12-14 07:03:07,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:03:07,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631476053] [2022-12-14 07:03:07,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631476053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:03:07,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:03:07,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:03:07,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168096273] [2022-12-14 07:03:07,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:03:07,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:03:07,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:03:07,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:03:07,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:03:07,243 INFO L87 Difference]: Start difference. First operand 118900 states and 171315 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:03:14,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:03:14,826 INFO L93 Difference]: Finished difference Result 118918 states and 171332 transitions. [2022-12-14 07:03:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:03:14,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 147 [2022-12-14 07:03:14,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:03:15,210 INFO L225 Difference]: With dead ends: 118918 [2022-12-14 07:03:15,210 INFO L226 Difference]: Without dead ends: 118916 [2022-12-14 07:03:15,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:03:15,252 INFO L413 NwaCegarLoop]: 2293 mSDtfsCounter, 2597 mSDsluCounter, 4572 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 6865 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:03:15,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 6865 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 07:03:15,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118916 states. [2022-12-14 07:03:20,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118916 to 118916. [2022-12-14 07:03:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118916 states, 71324 states have (on average 1.295706914923448) internal successors, (92415), 75000 states have internal predecessors, (92415), 37944 states have call successors, (37944), 9912 states have call predecessors, (37944), 9644 states have return successors, (40968), 35835 states have call predecessors, (40968), 37928 states have call successors, (40968) [2022-12-14 07:03:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118916 states to 118916 states and 171327 transitions. [2022-12-14 07:03:21,502 INFO L78 Accepts]: Start accepts. Automaton has 118916 states and 171327 transitions. Word has length 147 [2022-12-14 07:03:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:03:21,503 INFO L495 AbstractCegarLoop]: Abstraction has 118916 states and 171327 transitions. [2022-12-14 07:03:21,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:03:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 118916 states and 171327 transitions. [2022-12-14 07:03:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-14 07:03:21,506 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:03:21,506 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2022-12-14 07:03:21,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:03:21,507 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:03:21,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:03:21,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1447113651, now seen corresponding path program 1 times [2022-12-14 07:03:21,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:03:21,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462972303] [2022-12-14 07:03:21,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:03:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:03:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:03:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-12-14 07:03:22,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:03:22,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462972303] [2022-12-14 07:03:22,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462972303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:03:22,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:03:22,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:03:22,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431751883] [2022-12-14 07:03:22,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:03:22,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:03:22,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:03:22,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:03:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:03:22,377 INFO L87 Difference]: Start difference. First operand 118916 states and 171327 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:03:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:03:37,787 INFO L93 Difference]: Finished difference Result 354200 states and 510371 transitions. [2022-12-14 07:03:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:03:37,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 151 [2022-12-14 07:03:37,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:03:38,669 INFO L225 Difference]: With dead ends: 354200 [2022-12-14 07:03:38,670 INFO L226 Difference]: Without dead ends: 235746 [2022-12-14 07:03:39,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:03:39,025 INFO L413 NwaCegarLoop]: 3010 mSDtfsCounter, 2561 mSDsluCounter, 8278 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 11288 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:03:39,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2562 Valid, 11288 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 07:03:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235746 states. [2022-12-14 07:03:49,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235746 to 235626. [2022-12-14 07:03:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235626 states, 141447 states have (on average 1.2973410535394883) internal successors, (183505), 148874 states have internal predecessors, (183505), 75064 states have call successors, (75064), 19712 states have call predecessors, (75064), 19111 states have return successors, (80952), 70695 states have call predecessors, (80952), 75032 states have call successors, (80952) [2022-12-14 07:03:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235626 states to 235626 states and 339521 transitions. [2022-12-14 07:03:50,802 INFO L78 Accepts]: Start accepts. Automaton has 235626 states and 339521 transitions. Word has length 151 [2022-12-14 07:03:50,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:03:50,803 INFO L495 AbstractCegarLoop]: Abstraction has 235626 states and 339521 transitions. [2022-12-14 07:03:50,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:03:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 235626 states and 339521 transitions. [2022-12-14 07:03:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-14 07:03:50,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:03:50,808 INFO L195 NwaCegarLoop]: trace histogram [10, 7, 6, 6, 6, 6, 6, 6, 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] [2022-12-14 07:03:50,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:03:50,808 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:03:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:03:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash 2125132598, now seen corresponding path program 1 times [2022-12-14 07:03:50,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:03:50,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082294113] [2022-12-14 07:03:50,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:03:50,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:03:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:03:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-12-14 07:03:51,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:03:51,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082294113] [2022-12-14 07:03:51,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082294113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:03:51,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:03:51,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:03:51,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973294490] [2022-12-14 07:03:51,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:03:51,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:03:51,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:03:51,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:03:51,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:03:51,896 INFO L87 Difference]: Start difference. First operand 235626 states and 339521 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:04:05,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:04:05,184 INFO L93 Difference]: Finished difference Result 238442 states and 342047 transitions. [2022-12-14 07:04:05,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:04:05,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 157 [2022-12-14 07:04:05,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:04:06,121 INFO L225 Difference]: With dead ends: 238442 [2022-12-14 07:04:06,121 INFO L226 Difference]: Without dead ends: 238144 [2022-12-14 07:04:06,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:04:06,211 INFO L413 NwaCegarLoop]: 2313 mSDtfsCounter, 2532 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2532 SdHoareTripleChecker+Valid, 7010 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:04:06,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2532 Valid, 7010 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 07:04:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238144 states. [2022-12-14 07:04:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238144 to 238138. [2022-12-14 07:04:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238138 states, 143079 states have (on average 1.2962209688353987) internal successors, (185462), 150434 states have internal predecessors, (185462), 75088 states have call successors, (75088), 20551 states have call predecessors, (75088), 19967 states have return successors, (80980), 70808 states have call predecessors, (80980), 75060 states have call successors, (80980) [2022-12-14 07:04:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238138 states to 238138 states and 341530 transitions. [2022-12-14 07:04:18,753 INFO L78 Accepts]: Start accepts. Automaton has 238138 states and 341530 transitions. Word has length 157 [2022-12-14 07:04:18,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:04:18,753 INFO L495 AbstractCegarLoop]: Abstraction has 238138 states and 341530 transitions. [2022-12-14 07:04:18,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 07:04:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 238138 states and 341530 transitions. [2022-12-14 07:04:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 07:04:18,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:04:18,762 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:04:18,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:04:18,762 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:04:18,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:04:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1338456786, now seen corresponding path program 1 times [2022-12-14 07:04:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:04:18,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144003011] [2022-12-14 07:04:18,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:04:18,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:04:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:04:19,179 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-12-14 07:04:19,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:04:19,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144003011] [2022-12-14 07:04:19,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144003011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:04:19,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:04:19,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:04:19,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959069020] [2022-12-14 07:04:19,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:04:19,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:04:19,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:04:19,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:04:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:04:19,182 INFO L87 Difference]: Start difference. First operand 238138 states and 341530 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:04:38,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:04:38,794 INFO L93 Difference]: Finished difference Result 537220 states and 769950 transitions. [2022-12-14 07:04:38,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:04:38,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2022-12-14 07:04:38,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:04:40,260 INFO L225 Difference]: With dead ends: 537220 [2022-12-14 07:04:40,260 INFO L226 Difference]: Without dead ends: 299546 [2022-12-14 07:04:41,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:04:41,150 INFO L413 NwaCegarLoop]: 4020 mSDtfsCounter, 2084 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 6273 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:04:41,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 6273 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 07:04:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299546 states. [2022-12-14 07:04:55,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299546 to 299122. [2022-12-14 07:04:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299122 states, 180249 states have (on average 1.2949087096183614) internal successors, (233406), 189540 states have internal predecessors, (233406), 93540 states have call successors, (93540), 26033 states have call predecessors, (93540), 25329 states have return successors, (100728), 88196 states have call predecessors, (100728), 93512 states have call successors, (100728) [2022-12-14 07:04:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299122 states to 299122 states and 427674 transitions. [2022-12-14 07:04:57,518 INFO L78 Accepts]: Start accepts. Automaton has 299122 states and 427674 transitions. Word has length 154 [2022-12-14 07:04:57,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:04:57,519 INFO L495 AbstractCegarLoop]: Abstraction has 299122 states and 427674 transitions. [2022-12-14 07:04:57,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:04:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 299122 states and 427674 transitions. [2022-12-14 07:04:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-14 07:04:57,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:04:57,522 INFO L195 NwaCegarLoop]: trace histogram [13, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:04:57,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 07:04:57,523 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:04:57,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:04:57,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1177044607, now seen corresponding path program 1 times [2022-12-14 07:04:57,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:04:57,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23178616] [2022-12-14 07:04:57,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:04:57,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:04:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:04:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-12-14 07:04:58,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:04:58,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23178616] [2022-12-14 07:04:58,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23178616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:04:58,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:04:58,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:04:58,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965536484] [2022-12-14 07:04:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:04:58,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:04:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:04:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:04:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:04:58,453 INFO L87 Difference]: Start difference. First operand 299122 states and 427674 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 07:05:03,173 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 [] [2022-12-14 07:05:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:05:17,035 INFO L93 Difference]: Finished difference Result 299276 states and 427824 transitions. [2022-12-14 07:05:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:05:17,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2022-12-14 07:05:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:05:18,212 INFO L225 Difference]: With dead ends: 299276 [2022-12-14 07:05:18,212 INFO L226 Difference]: Without dead ends: 299274 [2022-12-14 07:05:18,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:05:18,335 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2545 mSDsluCounter, 8302 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 11319 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:05:18,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 11319 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 07:05:18,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299274 states. [2022-12-14 07:05:33,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299274 to 299122. [2022-12-14 07:05:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299122 states, 180249 states have (on average 1.2947311774267818) internal successors, (233374), 189540 states have internal predecessors, (233374), 93540 states have call successors, (93540), 26033 states have call predecessors, (93540), 25329 states have return successors, (100728), 88196 states have call predecessors, (100728), 93512 states have call successors, (100728) [2022-12-14 07:05:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299122 states to 299122 states and 427642 transitions. [2022-12-14 07:05:35,355 INFO L78 Accepts]: Start accepts. Automaton has 299122 states and 427642 transitions. Word has length 156 [2022-12-14 07:05:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:05:35,356 INFO L495 AbstractCegarLoop]: Abstraction has 299122 states and 427642 transitions. [2022-12-14 07:05:35,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 07:05:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 299122 states and 427642 transitions. [2022-12-14 07:05:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-14 07:05:35,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:05:35,361 INFO L195 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:05:35,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 07:05:35,361 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:05:35,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:05:35,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2040321298, now seen corresponding path program 1 times [2022-12-14 07:05:35,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:05:35,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184603681] [2022-12-14 07:05:35,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:05:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:05:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:05:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-14 07:05:36,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:05:36,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184603681] [2022-12-14 07:05:36,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184603681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:05:36,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:05:36,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:05:36,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652030809] [2022-12-14 07:05:36,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:05:36,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:05:36,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:05:36,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:05:36,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:05:36,199 INFO L87 Difference]: Start difference. First operand 299122 states and 427642 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:06:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:06:12,077 INFO L93 Difference]: Finished difference Result 887121 states and 1268515 transitions. [2022-12-14 07:06:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:06:12,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 177 [2022-12-14 07:06:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:06:14,757 INFO L225 Difference]: With dead ends: 887121 [2022-12-14 07:06:14,757 INFO L226 Difference]: Without dead ends: 588463 [2022-12-14 07:06:15,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:06:15,815 INFO L413 NwaCegarLoop]: 3289 mSDtfsCounter, 2560 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 5559 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:06:15,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2560 Valid, 5559 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-14 07:06:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588463 states. [2022-12-14 07:06:48,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588463 to 588310. [2022-12-14 07:06:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588310 states, 356060 states have (on average 1.2940571813739257) internal successors, (460762), 373383 states have internal predecessors, (460762), 182480 states have call successors, (182480), 50998 states have call predecessors, (182480), 49766 states have return successors, (196884), 173216 states have call predecessors, (196884), 182452 states have call successors, (196884) [2022-12-14 07:06:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588310 states to 588310 states and 840126 transitions. [2022-12-14 07:06:52,960 INFO L78 Accepts]: Start accepts. Automaton has 588310 states and 840126 transitions. Word has length 177 [2022-12-14 07:06:52,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:06:52,961 INFO L495 AbstractCegarLoop]: Abstraction has 588310 states and 840126 transitions. [2022-12-14 07:06:52,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:06:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 588310 states and 840126 transitions. [2022-12-14 07:06:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-14 07:06:52,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:06:52,969 INFO L195 NwaCegarLoop]: trace histogram [16, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:06:52,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 07:06:52,969 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 07:06:52,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:06:52,970 INFO L85 PathProgramCache]: Analyzing trace with hash 720391416, now seen corresponding path program 1 times [2022-12-14 07:06:52,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:06:52,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744049452] [2022-12-14 07:06:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:06:52,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:06:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:06:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2022-12-14 07:06:53,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:06:53,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744049452] [2022-12-14 07:06:53,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744049452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:06:53,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:06:53,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:06:53,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951586806] [2022-12-14 07:06:53,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:06:53,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:06:53,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:06:53,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:06:53,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:06:53,968 INFO L87 Difference]: Start difference. First operand 588310 states and 840126 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22)